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How to Create a Multi-Signature Wallet on Solana using Rust What is a Multi-Signature Wallet?Multi-signature (multi-sig) wallets play a crucial role in enhancing the security and reliability of cryptocurrency transactions. Unlike standard wallets, which rely on a single private key for control, multi-sig wallets require approvals from multiple private keys before a transaction can be authorized. This shared-approval mechanism reduces the risk of a single point of vulnerability, making multi-sig wallets especially valuable for teams, DAOs, and organizations that manage funds collectively. By spreading responsibility across multiple key holders, these wallets ensure that no single user has unchecked control over the funds, increasing security and accountability. Explore more about crypto wallets with our crypto wallet development services.In a multi-sig wallet, a configuration is set to require a specific number of approvals (M) out of a total number of keys (N) to authorize a transaction. For instance, a 2-of-3 multi-sig setup means that any two of the three signatories must approve a transaction before it can be completed. This structure enables a system of mutual oversight, where each participant plays a role in safeguarding assets, greatly reducing the likelihood of misuse or unauthorized access.Additionally, multi-sig wallets support more transparent, collaborative governance structures, which align well with the decentralized ethos of blockchain technology. By requiring multiple approvals, these wallets allow for shared decision-making and control, empowering groups to protect assets in a secure, decentralized manner.In this developer's guide, we will explore the steps to create a multi-signature wallet on Solana.Prerequisite TechnologiesBefore proceeding with the implementation, make sure to have the following tools and technologies ready:Rust: The main programming language used for development on Solana.Solana CLI: Tools that allow command-line interaction with the Solana blockchain.Rust libraries: A good understanding of Rust libraries that assist with cryptographic operations and account management.You may also like | Develop a Multi-Token Crypto Wallet for Ethereum with Web3.jsCode Implementation | Creating a Multi-Signature Wallet on SolanaBelow are the essential components of the multi-sig wallet implementation. After initializing an empty Rust Project,create the following files in your project directory.# Inside the 'src' Folder-> processor.rs: This file contains the core logic of your multi-sig wallet, handling transactions and validating signatures. // processor.rs use solana_program::{ account_info::{next_account_info, AccountInfo}, entrypoint::ProgramResult, msg, program_error::ProgramError, pubkey::Pubkey, }; use crate::{instruction::MultiSigInstruction, state::MultiSig, error::MultiSigError}; use borsh::{BorshDeserialize, BorshSerialize}; pub struct Processor; impl Processor { pub fn process( program_id: &Pubkey, accounts: &[AccountInfo], instruction_data: &[u8] ) -> ProgramResult { let instruction = MultiSigInstruction::unpack(instruction_data)?; match instruction { MultiSigInstruction::Initialize { owners, threshold } => { Self::process_initialize(accounts, owners, threshold, program_id) }, MultiSigInstruction::SubmitTransaction { transaction_id } => { Self::process_submit_transaction(accounts, transaction_id, program_id) }, MultiSigInstruction::Approve { transaction_id } => { Self::process_approve(accounts, transaction_id, program_id) }, MultiSigInstruction::Execute { transaction_id } => { Self::process_execute(accounts, transaction_id, program_id) }, } } fn process_initialize( accounts: &[AccountInfo], owners: Vec<Pubkey>, threshold: u8, program_id: &Pubkey, ) -> ProgramResult { let account_info_iter = &mut accounts.iter(); let multisig_account = next_account_info(account_info_iter)?; if owners.len() < threshold as usize { msg!("Insufficient number of owners for the threshold."); return Err(ProgramError::InvalidInstructionData); } let multisig_data = MultiSig { owners, threshold, approvals: 0, executed: false, }; multisig_data.serialize(&mut &mut multisig_account.data.borrow_mut()[..])?; Ok(()) } fn process_submit_transaction( accounts: &[AccountInfo], transaction_id: u64, program_id: &Pubkey, ) -> ProgramResult { let account_info_iter = &mut accounts.iter(); let multisig_account = next_account_info(account_info_iter)?; let mut multisig_data = MultiSig::try_from_slice(&multisig_account.data.borrow())?; if multisig_data.executed { msg!("Transaction already executed."); return Err(MultiSigError::AlreadyExecuted.into()); } multisig_data.approvals = 0; multisig_data.executed = false; multisig_data.serialize(&mut &mut multisig_account.data.borrow_mut()[..])?; Ok(()) } fn process_approve( accounts: &[AccountInfo], transaction_id: u64, program_id: &Pubkey, ) -> ProgramResult { let account_info_iter = &mut accounts.iter(); let multisig_account = next_account_info(account_info_iter)?; let signer_account = next_account_info(account_info_iter)?; let mut multisig_data = MultiSig::try_from_slice(&multisig_account.data.borrow())?; if !multisig_data.owners.contains(signer_account.key) { msg!("Signer is not an owner."); return Err(MultiSigError::NotOwner.into()); } multisig_data.approvals += 1; multisig_data.serialize(&mut &mut multisig_account.data.borrow_mut()[..])?; Ok(()) } fn process_execute( accounts: &[AccountInfo], transaction_id: u64, program_id: &Pubkey, ) -> ProgramResult { let account_info_iter = &mut accounts.iter(); let multisig_account = next_account_info(account_info_iter)?; let mut multisig_data = MultiSig::try_from_slice(&multisig_account.data.borrow())?; if multisig_data.approvals < multisig_data.threshold { msg!("Not enough approvals to execute transaction."); return Err(MultiSigError::InsufficientSigners.into()); } multisig_data.executed = true; multisig_data.serialize(&mut &mut multisig_account.data.borrow_mut()[..])?; Ok(()) } } Also, Check | Developing Cross-Platform Crypto Wallet with Web3.js & React-> instruction.rs : This file defines the instructions that can be executed by the multi-sig wallet, including methods for adding signatories, removing them, and executing transactions. // instruction.rs use borsh::{BorshDeserialize, BorshSerialize}; use solana_program::program_error::ProgramError; use solana_program::pubkey::Pubkey; [derive(BorshSerialize, BorshDeserialize, Debug)] pub enum MultiSigInstruction { Initialize { owners: Vec<Pubkey>, threshold: u8 }, SubmitTransaction { transaction_id: u64 }, Approve { transaction_id: u64 }, Execute { transaction_id: u64 }, } impl MultiSigInstruction { pub fn unpack(input: &[u8]) -> Result { let (tag, rest) = input.split_first().ok_or(ProgramError::InvalidInstructionData)?; match tag { 0 => { let owners = Vec::::deserialize(&mut &rest[..])?; let threshold = *rest.get(owners.len() * 32).ok_or(ProgramError::InvalidInstructionData)?; Ok(Self::Initialize { owners, threshold }) }, 1 => { let transaction_id = u64::from_le_bytes( rest.get(..8).ok_or(ProgramError::InvalidInstructionData)?.try_into().unwrap(), ); Ok(Self::SubmitTransaction { transaction_id }) }, 2 => { let transaction_id = u64::from_le_bytes( rest.get(..8).ok_or(ProgramError::InvalidInstructionData)?.try_into().unwrap(), ); Ok(Self::Approve { transaction_id }) }, 3 => { let transaction_id = u64::from_le_bytes( rest.get(..8).ok_or(ProgramError::InvalidInstructionData)?.try_into().unwrap(), ); Ok(Self::Execute { transaction_id }) }, _ => Err(ProgramError::InvalidInstructionData), } } } -> lib.rs: This file sets up the entry point for your program, initializing necessary components. // lib.rs use solana_program::{ account_info::AccountInfo, entrypoint, entrypoint::ProgramResult, pubkey::Pubkey, }; pub mod instruction; pub mod processor; pub mod state; pub mod error; pub mod utils; entrypoint!(process_instruction); fn process_instruction( program_id: &Pubkey, accounts: &[AccountInfo], instruction_data: &[u8], ) -> ProgramResult { processor::Processor::process(program_id, accounts, instruction_data) } Also, Read | How to Build a Multi-Chain Account Abstraction Wallet#Inside the utils Folder-> utils.rs: Utility functions that assist in various operations, such as validating signatures or formatting transactions. // utils.rs use solana_program::{ account_info::AccountInfo, pubkey::Pubkey, }; pub fn is_signer(account_info: &AccountInfo, pubkey: &Pubkey) -> bool { account_info.is_signer && account_info.key == pubkey } -> error.rs: Defines custom error types that can be returned by your program, improving debugging and error handling. use thiserror::Error; use solana_program::program_error::ProgramError; [derive(Error, Debug, Copy, Clone)] pub enum MultiSigError { #[error("Insufficient signers")] InsufficientSigners, #[error("Transaction already executed")] AlreadyExecuted, #[error("Owner not recognized")] NotOwner, } impl From for ProgramError { fn from(e: MultiSigError) -> Self { ProgramError::Custom(e as u32) } } -> state.rs: This file manages the state of the wallet, including sign and pending transactions. // state.rs use borsh::{BorshDeserialize, BorshSerialize}; use solana_program::pubkey::Pubkey; [derive(BorshSerialize, BorshDeserialize, Debug)] pub struct MultiSig { pub owners: Vec, pub threshold: u8, pub approvals: u8, pub executed: bool, } } -> Cargo.toml : This is the main configuration file for any rust project, that defines all the external dependencies to be used in a versioned manner. [package] name = "multi_sig" version = "0.1.0" edition = "2021" [dependencies] bincode = "1.3.3" borsh = "1.5.1" log = "0.4.22" serde = "1.0.213" solana-program = "2.0.14" thiserror = "1.0.65" [lib] crate-type = ["cdylib", "lib"] Also, Check | How to Build a Cryptocurrency Wallet App Like ExodusConclusionIn this quick developers' guide, we discovered how to create and set up a multi-signature wallet on Solana using Rust. Doing so is both a technical accomplishment and a strategic initiative aimed at improving security and trust within decentralized finance. By necessitating multiple approvals for every transaction, multi-sig wallets address the risks posed by single-key control, thereby reducing the threats related to potential fraud, theft, or improper handling of funds. This system of approvals is especially beneficial for organizations, DAOs, and collaborative projects that require high standards of accountability and shared control. If you are looking to create a multi-signature wallet on Solana or any other blockchains, connect with our Solana developers to get started.As an increasing number of organizations and institutions embrace blockchain technology for transparent and secure asset management, multi-sig wallets are expected to become essential. They not only safeguard digital assets but also ensure that all stakeholders have a say in the decision-making process. This model of collaborative governance is in perfect harmony with the fundamental principles of decentralization, rendering multi-signature wallets a crucial component in the advancing field of blockchain technology. Adopting this method not only protects assets but also enables organizations to function with improved transparency, security, and reliability.

Technology: EXPRESS.JS , GANACHE more Category: Blockchain

Aditya Sharma

30 Oct 2024

Developing Cross-Platform Crypto Wallet with Web3.js & React Cross-Platform Crypto Wallet with Web3.js and ReactA cross-platform crypto wallet development with React and Web3.js requires multiple steps, ranging from configuring your development environment to using Web3.js to interact with the Ethereum blockchain or other EVM-compatible networks. Below is a general breakdown of the process:Tools/Technologies Needed:React: Used for developing the application's front-end.Web3.js: Facilitates interaction with the Ethereum blockchain.Node.js & npm: For managing dependencies and setting up the project structure.Metamask (or another Web3 provider): To integrate user wallets.Also, Explore | How to Build a Multi-Chain Account Abstraction WalletSteps to Create a Crypto WalletFollow these steps in VS Code or any preferred editor.1.Project Setupnpx create-react-app crossplatform-crypto-wallet cd crossplatform-crypto-wallet npm install web3 2. Create a connection withEthereum using Web3.jsInstall Web3.js in yourcrossplatform-crypto-walletnpm install web3Now let's initialize Web3.js, in yourApp.js file so that we can connect to a blockchain provider for eg. Metamask://Your react application src/app.js import React, { useEffect, useState } from 'react'; import Web3 from 'web3'; import React, { useEffect, useState } from 'react'; import Web3 from 'web3'; function App() { const [initializeWeb3, setWeb3] = useState(null); const [account, setAccount] = useState(''); useEffect(() => { // Checking if MetaMask is installed if (window.ethereum) { const web3 = new Web3(window.ethereum); setWeb3(web3); // Request account access if needed window.ethereum.enable() .then(accounts => { setAccount(accounts[0]); }) .catch(error => { console.error("User denied the request !", error); }); } else { console.error("MetaMask not found. Please install !"); } }, []); return ( <div> <h1>Platform crypto Wallet </h1> {account ? ( <p>Connected account: {account}</p> ) : ( <p>Please connect your wallet</p> )} </div> ); } export default App;You may also like | ERC 4337 : Account Abstraction for Ethereum Smart Contract Wallets3. Create a New Wallet (if a user has no wallet )For users without a wallet, We can generate a new one using Web3.js:const createWallet = () => { const wallet = web3.eth.accounts.create(); console.log('Wallet Address:', wallet.address); console.log('User Private Key:', wallet.privateKey); return wallet; };4. Send and Receive Transactions from the walletTo create a transaction or interact with a wallet . We need to integrate some methods to perform these operationsCreate a utils file with the name utils.js where we will create and exportweb3 methodsexport const sendTransaction = async (from, to, amount) => { const transaction = { from: from, to: to, value: web3.utils.toWei(amount, 'ether'), }; try { const txHash = await web3.eth.sendTransaction(transaction); console.log('Transaction successful with hash:', txHash); } catch (error) { console.error('Transaction failed:', error); } };Now to see things in action. Create a component with the name sendEth.js.export default function SendInput() { const [recipient, setRecipient] = useState(''); const [amount, setAmount] = useState(''); const handleSend = () => { sendTransaction(account, recipient, amount); }; return ( <div> <h1>Send Ether</h1> <input type="text" value={recipient} onChange={e => setRecipient(e.target.value)} placeholder="Recipient address" /> <input type="number" value={amount} onChange={e => setAmount(e.target.value)} placeholder="Amount" /> <button onClick={handleSend}>Send Ether</button> </div> ); }And import it into your app.jsimportReact, {useEffect,useState }from'react'; importWeb3from'web3'; importSendInputfrom"../components" functionApp() { const [initializeWeb3,setWeb3]=useState(null); const [account,setAccount]=useState(''); useEffect(()=> { // Checking if MetaMask is installed if (window.ethereum) { constweb3=newWeb3(window.ethereum); setWeb3(web3); // Request account access if needed window.ethereum.enable() .then(accounts=> { setAccount(accounts[0]); }) .catch(error=> { console.error("User denied the request !",error); }); }else { console.error("MetaMask not found. Please install !"); } }, []); return ( <div> <h1>Platform crypto Wallet</h1> {account ? ( <p>Connected account:{account}</p> ) : ( <p>Please connect your wallet</p> )} <SendInput/> </div> ); } exportdefaultApp;Add get balance function in your utils.js fileexport const getBalance = async (address) => { const balance = await web3.eth.getBalance(address); return web3.utils.fromWei(balance, 'ether'); };Also, Read | How to Build a Real-Time Wallet TrackerAnd use it in your app.js to fetch wallet balanceimportReact, {useEffect,useState }from'react'; importWeb3from'web3'; importSendInputfrom"../components" functionApp() { const [initializeWeb3,setWeb3]=useState(null); const [account,setAccount]=useState(''); useEffect(()=> { // Checking if MetaMask is installed if (window.ethereum) { constweb3=newWeb3(window.ethereum); setWeb3(web3); // Request account access if needed window.ethereum.enable() .then(accounts=> { setAccount(accounts[0]); }) .catch(error=> { console.error("User denied the request !",error); }); }else { console.error("MetaMask not found. Please install !"); } }, []); useEffect(()=> { if (account) { getBalance(account).then(balance=> { console.log('Balance:',balance); }); } }, [account]); return ( <div> <h1>Platform crypto Wallet</h1> {account ? ( <p>Connected account:{account}</p> ) : ( <p>Please connect your wallet</p> )} <SendInput/> </div> ); } exportdefaultApp; Also, Check | Create an Externally Owned Wallet using Web3J and Spring BootConclusionIn summary, building a cross-platform crypto wallet with Web3.js and React enables the creation of secure, accessible, and user-friendly blockchain applications. This approach ensures a seamless user experience across devices, promoting wider engagement and innovation in the crypto space. For more about crypto wallet development, connect with our crypto wallet developers.

Technology: Web3.js , Vue.JS more Category: Blockchain

Rishab Sharma

29 Oct 2024

Everything About Crypto Intent Prediction Marketplaces The crypto market's high-end volatility presents a constant challenge for crypto users and businesses alike. Price fluctuations, shifting trends, and investor sentiment can result in costly mistakes or missed opportunities. Traditional trading tools often lack the real-time insights needed to stay competitive, exposing businesses to uncertainty.Enter the world ofcrypto intent prediction marketplaces.Theseplatforms harness vast amounts of digital data, apply machine learning, and deliver predictive insights on market trends and investor behavior. With the evolvingDeFi development services, these platforms allow businesses to navigate the crypto market confidently. They also enable informed decisions, proactive risk management, and profit maximization.This blog explores how crypto intent prediction marketplaces work, and the essential components that make them effective. It also explores how they provide transformative value to businesses in the crypto space.Explore |AI Crypto Trading Bots | Reshaping Crypto TradingWhat Are Crypto Intent Prediction Marketplaces?To understand intent prediction, let's first break down what we mean by “intent.” In simple terms, intent refers to what people plan or are likely to do. In the context of crypto markets, intent prediction involves using data to forecast what investors and traders might do next. It could depend on social media activity, such as a sudden spike in tweets about a particular coin or search engine queries indicating growing interest in a specific cryptocurrency. The idea is to gauge the market's mood before it translates into actual buying or selling.Definition: Acrypto intent prediction marketplace is a platform that helps businesses and traders anticipate future movements in the cryptocurrency market. It does this by gathering and analyzing data from various sources, like social media discussions, smart contracts blockchain transactions, search trends, and news articles. By using advanced algorithms, the marketplace interprets these data points to predict how investors might act, such as whether they are likely to buy or sell certain cryptocurrencies.This allows crypto users to get a sense of market sentiment and make smarter, more informed decisions about their trades. Essentially, it's a tool that gives you an early warning system for market trends, helping businesses minimize risk and take advantage of new opportunities in the fast-moving world of crypto.Understanding Crypto Intent SignalsCrypto intent signals play a crucial role in the functioning of crypto intent prediction marketplaces. These marketplaces gather and analyze digital clues left behind by internet users, such as social media mentions, search engine trends, transaction patterns, and news coverage, to predict future market movements.By interpreting these intent signals, the platforms can anticipate shifts in investor behavior. It helps traders and businesses make informed decisions before market actions like buying or selling occur. Essentially, crypto intent prediction marketplaces turn these signals into actionable insights, enabling users to stay ahead of market trends and minimize risks in the volatile crypto landscape.Crypto intent prediction marketplaces use data to forecast what investors and traders are likely to do next. They analyze crypto intent signals—digital clues left by online activity such as social media mentions, search engine trends, blockchain transactions, and media coverage. By understanding these crypto intent signals, businesses can anticipate market movements before they happen, empowering them to make smarter, data-driven decisions.Check it out |Exploring Crypto Arbitrage Trading Bot and DevelopmentBenefits of Crypto Intent Prediction MarketplacesIntent prediction marketplaces bring a game-changing advantage: the ability to forecast market trends. Unlike traditional analysis, which relies on past data, intent prediction looks ahead by analyzing what people are planning to do. This gives businesses a clearer sense of where the market is headed, much like having a GPS for crypto investments. Building a crypto intent prediction marketplace creates new opportunities for traders and crypto investors to leverage collective intelligence, make more informed decisions, and drive innovation in decentralized finance.Here's how crypto intent prediction marketplaces bring value to businesses, investors, and crypto users.Informed Decision-Making and Risk ManagementCrypto intent prediction platforms provide real-time, actionable insights that help businesses and their users make more informed decisions. By transforming raw data into market forecasts, businesses can share insights that allow users to identify opportunities early and adjust their strategies proactively. This helps businesses and their users manage risk more effectively.Example: A spike in mentions of Solana signals rising interest. By relaying this information to users, a business enables them to buy Solana before prices surge, reducing risk and maximizing returns.Real-Time Sentiment Analysis and Market AlignmentThese platforms track real-time sentiment through social media activity and other data sources, allowing businesses to offer their users insights that align with market trends. This gives users the ability to act quickly, putting them ahead of competitors relying on delayed data.Example: If a new DeFi project generates excitement, businesses can share this sentiment analysis with their users, helping them invest early to take advantage of the positive sentiment.Custom Alerts for Better Market TrackingWith intent prediction platforms, businesses can offer users customizable alerts for specific triggers, such as on-chain activity spikes or surges in social media mentions. These real-time notifications allow users to react quickly to emerging trends, without constant manual monitoring.Example: A business could enable users to set alerts for when mentions of "Ethereum staking" surpass a certain threshold, allowing them to make swift adjustments to their portfolios.Operational Efficiency and Time SavingsCrypto intent prediction platforms automate data collection and analysis, saving businesses and their users time. By offering users a centralized dashboard with predictive insights, businesses can streamline operations and focus on higher-level strategies, delivering more value to their clients.Example: Rather than manually tracking market signals, users can view aggregated data through a business's platform, enabling them to make faster, more informed trading decisions.Revenue Generation and ScalabilityIntent prediction marketplaces offer businesses several monetization opportunities, which they can pass on to their users. These platforms can generate revenue through subscriptions, premium features, or selling market insights. Additionally, as the business scales, these platforms can integrate new data sources and expand to cover more markets, offering users a more comprehensive toolset.Example: A company could offer premium access to real-time signals and advanced analytics, generating subscription revenue while expanding its platform to serve more users.Market Leadership and Competitive EdgeBusinesses using real-time predictive insights have a competitive advantage, which they can extend to their users. By providing insights that allow users to make faster, more informed decisions, companies can position themselves as leaders in the evolving crypto space.Example: While competitors react late to market shifts, businesses using intent prediction platforms can help their users adjust holdings early, ensuring better performance during periods of high volatility.Blockchain Transparency, Trust, and Privacy ProtectionBlockchain technology adds transparency to intent prediction platforms by creating immutable records of crypto predictions and transactions. This not only builds trust among users but also ensures privacy through cryptographic techniques, allowing businesses to protect their client's sensitive information.Example: Businesses can assure their users that the insights they provide are backed by secure, verifiable data that hasn't been tampered with.Liquidity Pools for Market StabilityLiquidity pools within these platforms ensure smoother trading operations. They provide the necessary capital for transactions, preventing sudden price swings and maintaining stability during market shifts. This benefits businesses and their users by ensuring more efficient trading.Example: During periods of high market volatility, liquidity pools ensure users can execute trades without destabilizing prices.Democratizing Market InfluenceCrypto intent prediction marketplaces allowbusinesses of all sizes to offer insights and influence market predictions. Whether it's a small firm or a larger enterprise, these platforms enable all participants to deliver high-quality data to their users, leveling the playing field and enhancing the data pool.Example: Startups can leverage intent prediction platforms to provide their users with insights that previously only larger firms could offer, creating a fairer and more competitive environment.Suggested Read |Twitter to Add Crypto Trading FeatureConclusionCrypto intent prediction marketplaces provide businesses with a powerful tool to navigate the unpredictable crypto market while offering immense value to their users. These platforms deliver real-time, data-driven insights that enhance decision-making, reduce risk, and improve operational efficiency. By adopting these tools, businesses can establish long-term strategies, generate new revenue streams, and position themselves as market leaders—all while empowering their clients to make smarter, faster trading decisions.As crypto markets grow in complexity, businesses that embracecrypto intent prediction marketplaces will not only secure a competitive edge but also help their users succeed in a rapidly evolving landscape.Our expert blockchain developers at Oodles Blockchain design innovative intent prediction platforms to help businesses thrive in the dynamic crypto market. Leverage predictive insights, reduce uncertainty, and boost profitability with our blockchain services. Connect with us now to enhance your business strategies!

Technology: PYTORCH , SMART CONTRACT more Category: Blockchain

Saumya Srivastava

23 Oct 2024

How to Write and Deploy Modular Smart Contracts Modular contracts enable highly configurable and upgradeable smart contract development, combining ease of use with security. They consist of two main components:Core Contracts: These form the foundation of the modular system, managing key functions, data storage, and logic. Core contracts include access control mechanisms and define interfaces for module interactions.Module Contracts: These add or remove functionalities to/from core contracts dynamically, allowing for flexibility. Modules can be reused across multiple core contracts, enabling upgrades without redeploying the core contract.How They Work: Modules provide additional functionality via callback and fallback functions that interact with core contracts. Fallback functions operate independently, while callback functions augment core contract logic, enhancing dApp functionality.You may also like | How to Create Play-to-Earn Gaming Smart ContractsSetup | Writing and Deploying Modular Smart ContractsInstall Forge from Foundry and add the modular contract framework:forge init forge install https://github.com/thirdweb-dev/modular-contracts.git forge remappings > remappings.txt ContractThe ERC20Core contract is a type of ERC20 token that combines features from both the ModularCore and the standard ERC20 contract. It names the token "Test Token" and uses "TEST" as its symbol, with the deployer being the owner of the contract. A significant feature is the required beforeMint callback, which allows certain actions to be taken before new tokens are created. The mint function lets users create tokens while ensuring the callback is executed first. The BeforeMintCallback interface makes it easier to add custom logic from other contracts. Overall, ERC20Core offers a flexible way to develop custom tokens while maintaining essential ERC20 functions.// SPDX-License-Identifier: UNLICENSED pragma solidity ^0.8.13; import {ModularCore} from "lib/modular-contracts/src/ModularCore.sol"; import {ERC20} from "lib/solady/src/tokens/ERC20.sol"; contract ERC20Core is ModularCore, ERC20 { constructor() { _setOwner(msg.sender); } function name() public view override returns (string memory) { return "Test Token"; } function symbol() public view override returns (string memory) { return "TEST"; } function getSupportedCallbackFunctions() public pure virtual override returns (SupportedCallbackFunction[] memory supportedCallbacks) { supportedCallbacks = new SupportedCallbackFunction[](1); supportedCallbacks[0] = SupportedCallbackFunction(BeforeMintCallback.beforeMint.selector, CallbackMode.REQUIRED); } function mint(address to, uint256 amount) external payable { _executeCallbackFunction( BeforeMintCallback.beforeMint.selector, abi.encodeCall(BeforeMintCallback.beforeMint, (to, amount)) ); _mint(to, amount); } } interface BeforeMintCallback { function beforeMint(address to, uint256 amount) external payable; } Also, Read | ERC 4337 : Account Abstraction for Ethereum Smart Contract WalletsThe PricedMint contract is a modular extension designed for token minting, leveraging Ownable for ownership management and ModularExtension for added functionality. It uses the PricedMintStorage module to maintain a structured storage system for the token price. The owner can set the minting price through the setPricePerUnit method. Before minting, the beforeMint function verifies that the provided ether matches the expected price based on the token quantity. If correct, the ether is transferred to the contract owner. The getExtensionConfig function defines the contract's callback and fallback functions, facilitating integration with other modular components.// SPDX-License-Identifier: UNLICENSED pragma solidity ^0.8.13; import {ModularExtension} from "lib/modular-contracts/src/ModularExtension.sol"; import {Ownable} from "lib/solady/src/auth/Ownable.sol"; library PricedMintStorage { bytes32 public constant PRICED_MINT_STORAGE_POSITION = keccak256(abi.encode(uint256(keccak256("priced.mint")) - 1)) & ~bytes32(uint256(0xff)); struct Data { uint256 pricePerUnit; } function data() internal pure returns (Data storage data_) { bytes32 position = PRICED_MINT_STORAGE_POSITION; assembly { data_.slot := position } } } contract PricedMint is Ownable, ModularExtension { function setPricePerUnit(uint256 price) external onlyOwner { PricedMintStorage.data().pricePerUnit = price; } function beforeMint(address to, uint256 amount) external payable { uint256 pricePerUnit = PricedMintStorage.data().pricePerUnit; uint256 expectedPrice = (amount * pricePerUnit) / 1e18; require(msg.value == expectedPrice, "PricedMint: invalid price sent"); (bool success,) = owner().call{value: msg.value}(""); require(success, "ERC20Core: failed to send value"); } function getExtensionConfig() external pure virtual override returns (ExtensionConfig memory config) { config.callbackFunctions = new CallbackFunction ; config.callbackFunctions[0] = CallbackFunction(this.beforeMint.selector); config.fallbackFunctions = new FallbackFunction ; config.fallbackFunctions[0] = FallbackFunction(this.setPricePerUnit.selector, 0); } } DeployTo deploy the Modular Contract, first get your API Key from the Thirdweb Dashboard. Then run npx thirdweb publish -k "THIRDWEB_API_KEY", replacing "THIRDWEB_API_KEY" with your key. Select "CounterModule," scroll down, click "Next," choose the "Sepolia" network, and click "Publish Contract."For the Core Contract, run npx thirdweb deploy -k "THIRDWEB_API_KEY" in your terminal, replacing "THIRDWEB_API_KEY" with your key. Select "CounterCore," enter the contract owner's address, and click "Deploy Now." Choose the "Sepolia" chain and click "Deploy Now" again to start the deployment.Also, Explore | How to Create a Smart Contract for Lottery SystemConclusionModular contracts represent a design approach in smart contract development that prioritizes flexibility, reusability, and separation of concerns. By breaking down complex functionalities into smaller, interchangeable modules, developers can create more maintainable code and implement updates more easily without losing existing state. Commonly utilized in token standards and decentralized finance (DeFi), modular contracts enhance the creation of decentralized applications (dApps) and promote interoperability, thereby fostering innovation within the blockchain ecosystem. If you are looking for enterprise-grade smart contract development services, connect with our skilled Solidity developers to get started.

Technology: MEAN , PYTHON more Category: Blockchain

Mudit Singh

03 Oct 2024

How to Create Play-to-Earn Gaming Smart Contracts The Play-to-Earn (P2E) model has become a ground-breaking idea in the blockchain game development space as it allows gamers to obtain real-world value by performing in-game tasks. Smart contracts development, which drives these games' transparent and decentralized economies, is at the center of this change.Comprehending the Essential Components of a Play-to-Earn Smart ContractIn essence, a Play-to-Earn gaming smart contract is a set of pre-established guidelines stored on a blockchain and intended to control game-related transactions, asset ownership, and prizes. The main elements of a standard P2E smart contract are as follows:In-Game RewardsPlayers earn tokens or NFTs as they progress through the game. These rewards can be traded or sold in decentralized markets, offering real-world value to players.Also, Read | Tap-to-Earn Games | An Exhaustive Guide to Rewards-Based GamingAsset OwnershipSmart contracts enable true ownership of in-game assets like characters, skins, or items in the form of NFTs. Unlike traditional games, where assets remain under the game developer's control, NFTs grant players full rights over their possessions.Secure TransactionsThe decentralized nature of blockchain ensures that all transactions, whether token earnings or asset trades, are securely recorded and verifiable.Game GovernanceSome Play-to-Earn games incorporate decentralized governance, allowing players to vote on game updates or economic changes through token staking or governance mechanisms built into the smart contract.InteroperabilityThanks to standardized smart contract protocols, many P2E games strive for cross-game compatibility, allowing players to use their NFTs or tokens in other games.Also, Check | How to Create a Simple Crypto Clicker GameAn Easy Play-to-Earn Gaming Smart Contract in Solidity CodeThis is a basic example of implementing a Play-to-Earn smart contract in Solidity, which is the main Ethereum smart contract programming language. Tokens are awarded to participants under this contract when they perform in-game activities.// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; contract PlayToEarnGame { // Token balance mapping for players mapping(address => uint256) public tokenBalance; // Owner of the contract (game developer) address public owner; // Token reward per task completed uint256 public rewardAmount; // Event to notify when a player earns tokens event TokensEarned(address indexed player, uint256 amount); // Modifier to allow only owner to execute specific functions modifier onlyOwner() { require(msg.sender == owner, "Only the owner can perform this action"); _; } constructor(uint256 _rewardAmount) { owner = msg.sender; // Set the contract deployer as the owner rewardAmount = _rewardAmount; // Initialize the token reward per task } // Function to complete a task and earn tokens function completeTask() external { // Increment the player's token balance tokenBalance[msg.sender] += rewardAmount; // Emit an event to notify of the reward emit TokensEarned(msg.sender, rewardAmount); } // Function for the owner to adjust the reward amount function setRewardAmount(uint256 _newAmount) external onlyOwner { rewardAmount = _newAmount; } // Function to allow players to withdraw their tokens function withdrawTokens() external { uint256 playerBalance = tokenBalance[msg.sender]; require(playerBalance > 0, "You have no tokens to withdraw"); // Transfer the tokens to the player payable(msg.sender).transfer(playerBalance); // Reset the player's balance tokenBalance[msg.sender] = 0; } // Fallback function to accept Ether (could be used to fund rewards) receive() external payable {} }You may also like | How To Create a Daily Game Reward System in SolidityPlay-to-Earn Smart Contracts' FuturePlay-to-earn games are about to cause unheard-of disruptions in the gaming business. We anticipate increasingly intricate incentive structures, tokenized economies, and cross-platform gameplay as blockchain technology develops, all of which will improve the gaming experience. If you are looking to develop your game leveraging these emerging decentralized gaming models, connect with our blockchain game developers to get started.

Technology: SMART CONTRACT , POSTGRESQL more Category: Blockchain

Prince Balhara

03 Oct 2024

How to Build a Cross-Chain Bridge Using Solidity and Rust The capacity to transfer assets across networks effortlessly is more important than ever in the ever-changing world of blockchain development. Envision a bridge that unites the Ethereum and Solana worlds, letting tokens move freely while upholding security and openness. In this project, we use the robust programming languages Solidity and Rust to set out on the task of creating a cross-chain bridge. Through utilizing Rust's efficiency for Solana's on-chain logic and Solidity's capabilities for Ethereum smart contracts, our goal is to provide a solid framework that makes token exchanges simple. Whether you're a crypto enthusiast excited to explore new possibilities or a developer trying to improve interoperability, this guide will take you through all the necessary steps to realize this ambitious aim. Now let's dive in.PrerequisitesProgrammingLanguages:Solidity, Javascript/Typescript, and RustIDE:VS-Code and any preferred IDELibraries:ETH:Hardhat, Ethers, Axios, OpenzepplinSOL:Solana Web3.js, Solana Spl-tokenAlso, Explore | How To Build "Buy Me a Coffee" DeFi dApp Using SolidityHow to Build a Cross-Chain Bridge Using Solidity and RustIt's preferred that you setup 3 projects, separately for:I) Ethereum's ERC-20 Token Smart Contract:You'll need to setup node.js, solidity and hardhat in your IDE/ system. So, we'll begin with setting up hardhat code, for example "click-here". Here's the code for the ERC-20 Token using Openzepplin's library.code.................................................................................................. // SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "@openzeppelin/contracts/token/ERC20/ERC20.sol"; import "@openzeppelin/contracts/access/Ownable.sol"; contract Testtoken is ERC20, Ownable { event BurnAndMoveToSolana(address indexed user, string solanaAddress, uint256 amount); event MintFromSolana(address indexed user, uint256 amount); address public relayer; constructor() ERC20("EthereumToken", "ETHR") Ownable(msg.sender){ _mint(msg.sender, 1000000 * (10 ** decimals()));// change amount as per your understanding } modifier onlyRelayer() { require(msg.sender == relayer, "Not authorized"); _; } function setRelayer(address _relayer) external onlyOwner { relayer = _relayer; } function burnAndMoveToSolana(uint256 amount, string memory solanaAddress) external {// main transfering function _burn(msg.sender, amount); emit BurnAndMoveToSolana(msg.sender, solanaAddress, amount); } function mintFromSolana(address to, uint256 amount) external onlyRelayer { _mint(to, amount); emit MintFromSolana(to, amount); } event TokensBurned(address indexed from, address indexed solanaAddress, uint256 amount); }You may also like | Building a Decentralized Voting System with Solidity and Hardhat2) Solana's SPL Token Program:You'll need to setup node.js, Solana, and Rust in your IDE/ system. To begin with, we'll set-up a empty solana-sdk code. Here's the full code/implementation for the SPL Token using Solana-web3.js & Solana spl-token.code................................................................................................. const { Connection, Keypair, PublicKey, clusterApiUrl, LAMPORTS_PER_SOL } = require('@solana/web3.js'); const { createMint, getOrCreateAssociatedTokenAccount, mintTo, getAccount, burn } = require('@solana/spl-token'); async function mintAndBurnTokens(connection, fromWallet, tokenAccount, mint, amountToMint, amountToBurn, ethAddress) { await mintTo( connection, fromWallet, mint, tokenAccount.address, fromWallet.publicKey, amountToMint ); console.log(`Minted ${amountToMint / (10 ** 9)} tokens to your associated token account.`); const tokenAccountBalance = await getAccount(connection, tokenAccount.address); console.log(`Token account balance after minting: ${Number(tokenAccountBalance.amount) / (10 ** 9)} tokens`); if (Number(tokenAccountBalance.amount) < amountToBurn) { console.log(`Insufficient funds. Current balance: ${Number(tokenAccountBalance.amount) / (10 ** 9)} tokens.`); return; } await burn( connection, fromWallet, tokenAccount.address, mint, fromWallet.publicKey, amountToBurn ); console.log(`Burned ${amountToBurn / (10 ** 9)} tokens from ${fromWallet.publicKey} and moving to Ethereum wallet ${ethAddress}.`); console.log(`Relaying burn event to Ethereum relayer for Ethereum wallet: ${ethAddress}, amount: ${amountToBurn / (10 ** 9)}.`); } (async () => { const fromWallet = Keypair.fromSecretKey(new Uint8Array([your,secret,keypair])); const ethAddress = "0xyourAddress";//add your eth wallet address const mintAmount = 100000 * 10 ** 9;// amount of SPL tokens to mint const burnAmount = 1000 * 10 ** 9;// amount of SPL tokens to burn/transfer const connection = new Connection(clusterApiUrl('devnet'), 'confirmed');// put your preferred cluster console.log('Creating SPL token...'); const mint = await createMint( connection, fromWallet, fromWallet.publicKey, null, 9 ); const fromTokenAccount = await getOrCreateAssociatedTokenAccount( connection, fromWallet, mint, fromWallet.publicKey ); console.log('Minting tokens...'); await mintAndBurnTokens(connection, fromWallet, fromTokenAccount, mint, mintAmount, burnAmount, ethAddress); console.log(`View token account on Solana Explorer: https://explorer.solana.com/address/${fromTokenAccount.address}?cluster=devnet`); })(); ////////////////////////////////////////////////////////////////////////Also, Read | How To Create a Daily Game Reward System in Solidity3) Relayer-Bridge Project:In order to facilitate safe and transparent token transfers between two blockchains, a relayer-bridge project serves as an essential bridge. Using smart contracts and event listeners, the relayer in the Ethereum and Solana context watches on particular occurrences on one blockchain, like an Ethereum token burn. When the relayer notices one of these events, it sends the required information—such as the recipient's address and the quantity of tokens—to the other chain so that the corresponding action—like minting the tokens on Solana—can take place there. In order to preserve network balance, this bi-directional communication makes sure that tokens burned on one chain are minted on the other. In order to smoothly connect the two ecosystems, the relayer's job is to validate and relay these transactions without sacrificing security or speed.Here's the Code for the Relayer-Bridge :code.................................................................................................. const WebSocket = require("ws"); const { ethers } = require("ethers"); const fs = require("fs"); require('dotenv').config(); const wsUrl = "wss://api.devnet.solana.com";//your desired network const connection = new WebSocket(wsUrl); const provider = new ethers.WebSocketProvider(process.env.ETH_WSS_URL); const wallet = new ethers.Wallet(process.env.ETH_PRIVATE_KEY, provider); const contractAddress = process.env.ETH_CONTRACT_ADDRESS; const abi = JSON.parse(fs.readFileSync("./path_to_your/eth_contract_abi.json")); const contract = new ethers.Contract(contractAddress, abi, wallet); connection.on("open", () => { console.log("Connected to Solana WebSocket"); const subscriptionMessage = JSON.stringify({ jsonrpc: "2.0", id: 1, method: "logsSubscribe", params: [ { mentions: [""],// Your SPL token address }, { commitment: "finalized", }, ], }); connection.send(subscriptionMessage); }); connection.on("message", async (data) => { const response = JSON.parse(data); if (response.method === "logsNotification") { const logData = response.params.result; // Check if the log indicates a burn if (isBurnLog(logData)) { const amountBurned = extractBurnAmount(logData); console.log(`Burn detected: ${amountBurned} tokens`); await mintTokens(amountBurned); } } else { console.log("Received message:", response); } }); connection.on("close", () => { console.log("Connection closed"); }); connection.on("error", (error) => { console.error("WebSocket error:", error); }); // Function to Check the log data structure to confirm it's a burn event function isBurnLog(logData) { return logData && logData.err === null && logData.logs && logData.logs.some(log => log.includes("burn")); } // Function to extract the amount burned from the log data function extractBurnAmount(logData) { const amountLog = logData.logs.find(log => log.includes("burn")); if (amountLog) { const amount =/* logic to parse your burn amount format */; return parseFloat(amount);// Return the amount as a number } return 0; } // Function to mint tokens on Ethereum async function mintTokens(amount) { try { const tx = await contract.mint(wallet.address, ethers.utils.parseUnits(amount.toString(), 18)); console.log(`Mint transaction sent: ${tx.hash}`); await tx.wait(); console.log("Minting successful"); } catch (error) { console.error("Minting failed:", error); } } /////////////////////////////////////////////////////////////////////////This part of the relayer works for the transfer of SPL tokens to the ERC-20 tokens on Ethereum. Similarly, we can perform the transfer of ERC-20 tokens to SPL Tokens on the Solana blockchain, burn them, and its functionality will trigger the SPL Token's mint function to complete the cross-chain transaction.Also, Discover | How to Create a MultiSig Wallet in SolidityConclusionIn conclusion, creating a relayer-equipped cross-chain bridge enables users to transfer assets between Ethereum and Solana with ease, opening up a world of decentralised opportunities. Utilising Solidity and Rust's respective advantages, you can build a scalable, secure solution that connects two robust blockchain ecosystems. This project shapes the future of decentralised finance by paving the ground for true blockchain interoperability with the correct tools and knowledge. Connect with our skilled Solidity developers to bring your blockchain-related vision into reality.

Technology: MEAN , PYTHON more Category: Blockchain

Ashish Gushain

30 Sep 2024

Understanding Cosmos IBC for Cross-Chain Communication In the evolving landscape of blockchain technology, interoperability remains a crucial yet challenging frontier. As decentralized applications and ecosystems grow, the need for seamless interaction between diverse blockchains has become paramount. The Cosmos IBC (Inter-Blockchain Communication) protocol emerges as a groundbreaking solution, designed to facilitate secure and reliable data exchange across heterogeneous blockchain networks.This blog explores the core principles, and potential of the Cosmos IBC protocol, underscoring its significance in the Cosmos blockchain development ecosystem.Read Also | Exploring the Emerging Use Cases of Cosmos BlockchainWhat is Cosmos IBC?The Inter-Blockchain Communication (IBC) protocol is integral to the Cosmos blockchain ecosystem. It provides a standardized way for independent blockchains to communicate with each other. It enables the transfer of assets and data across distinct networks without requiring a centralized intermediary. IBC operates on a principle similar to TCP/IP in the internet world, creating a universal language for blockchain interoperability.Cosmos IBC addresses the challenge of cross-chain communication, especially relevant for application-specific blockchains and private blockchains. It solves issues related to asset swaps between different blockchains and facilitates interaction between public and private chains. Implementations for private blockchains like Hyperledger Fabric and Corda are already in place. By enabling secure and efficient cross-chain transactions, IBC enhances scalability, reduces transaction costs, and improves network capacity and finality compared to other platforms.Discover | Top Blockchain Platforms for Blockchain App DevelopmentHow Does IBC Work?The following infographic depicts the working of the IBC Protocols -IBC facilitates communication between chains through a sequence of steps:Light ClientsEach participating blockchain runs a light client of the other blockchain to verify transactions without needing to trust an external party. Light clients keep track of the state of the different blockchains to ensure validity.Connection HandshakeChains establish a connection via a handshake process, which involves exchanging proof of their states and confirming the identity of the counterparty.Channel CreationOnce a connection is established, channels are created to facilitate communication. Each channel is bound to a specific application, ensuring the integrity and security of data transfers.Packet RelayingData is sent in packets through these channels. Relayers (participants in the network) monitor and relay these packets between chains, verifying their authenticity and ensuring correct delivery.AcknowledgmentsReceiving chains send acknowledgments back to the sender, confirming receipt and ensuring that transactions are finalized only when the corresponding proof of receipt is verified.Explore |Cosmos Blockchain: Bridging Interoperable Decentralized NetworksKey Features of Cosmos IBC ProtocolInteroperabilityIBC's universal standards facilitate compatibility across a wide range of blockchain protocols, making it a versatile tool for developers.ModularityThe protocol is designed to be highly modular, allowing it to be easily integrated with various blockchains, regardless of their underlying technology.ScalabilityBy enabling parallel operation of multiple independent blockchains, IBC enhances the scalability of the overall ecosystem.SecurityThe use of light clients and cryptographic proofs ensures secure and tamper-resistant communication between chains.Discover | Web3 App Development | Building a Decentralized FutureUse Cases and ApplicationsCross-Chain Token TransfersOne of the most prominent applications of IBC is the transfer of tokens between different blockchains, enabling liquidity and asset interoperability.Decentralized Finance (DeFi)IBC allows DeFi platforms to leverage assets and liquidity from multiple blockchains, creating more robust and interconnected financial services.Data SharingBeyond assets, IBC can exchange arbitrary data, facilitating use cases such as cross-chain oracles and shared governance mechanisms.Check Out | Exploring the Top Blockchain Platforms for Your EnterpriseConclusionThe Cosmos IBC protocol represents a significant advancement in blockchain technology, addressing the critical need for interoperability in a decentralized world. By enabling secure, scalable, and seamless communication between diverse blockchains, IBC paves the way for a more integrated and efficient blockchain ecosystem. As the adoption of IBC grows, we can expect to see a new era of cross-chain collaboration and innovation, unlocking unprecedented opportunities for developers, businesses, and users.Are you ready to harness the power of blockchain interoperability? At Oodles Blockchain, we integrate cutting-edge solutions like Cosmos's IBC protocol to elevate your blockchain projects. Contact our blockchain developers today to explore how we can help you build interconnected, scalable, and secure blockchain applications that drive real value.

Technology: SMART CONTRACT , Javascript more Category: Blockchain

Saumya Srivastava

23 Sep 2024

Telegram Mini Apps vs. Telegram Bots : Exploring the Key Differences Telegram has grown far beyond its origins as a messaging app. It evolved into a versatile platform where developers and businesses can build a variety of tools and applications. Among the features that stand out are Telegram Crypto Trading Bots andTelegram Mini Apps (TMAs). Each of these offers unique functionalities and serves different purposes, catering to diverse needs within the Telegram ecosystem.In this blog, we compare Telegram Bots and Mini Apps, highlighting their unique functionalities, integration methods, development processes, and more.Suggested Read | Telegram Crypto Trading Bot DevelopmentUnderstanding Telegram Bots and Telegram Mini AppsWhat Are Telegram Bots?Telegram Bots are automated software applications that run on the Telegram platform. They interact with users through Telegram's messaging interface, performing tasks and providing information based on predefined commands and inputs.Key Features of Telegram BotsAutomated Interaction: Bots can respond to user inputs with predefined messages or actions, making them ideal for customer support, information retrieval, and interactive experiences.APIs and Webhooks: Developers can use Telegram's Bot API to interact with the platform programmatically. This allows for real-time messaging, updates, and more complex integrations with external services.Customization: Bots can be programmed to handle various tasks, from sending notifications to managing group activities and even processing payments.Ease of Access: Users can start interacting with a bot simply by searching for its username and initiating a conversation, without the need for additional installations.Rich Interaction: Bots can use Telegram's features like inline keyboards, custom commands, and callback queries to create interactive and engaging experiences.Some Use Cases for Telegram BotsCustomer Support: Provide instant answers to common questions or guide users through troubleshooting steps.Content Delivery: Share updates, news, or media content regularly with subscribers.Interactive Services: Facilitate quizzes, games, and other interactive experiences within a chat.Explore | Top 7 Most Popular Telegram Crypto Trading Bots in 2024What Are Telegram Mini Apps?Telegram Mini Apps, orTelegram Web Apps, are web-based applications that are embedded within Telegram chats. They offer a more immersive and interactive experience than standard web links or bots by leveraging the Telegram client's interface directly. These apps basically bridge the gap between Telegram bots and full-fledged heavy web applications.Key Features of Telegram Mini AppsSeamless Integration: Mini Apps run directly within the Telegram interface. They provide a seamless experience without requiring users to leave the chat or switch apps.Rich User Interface: They can offer a more sophisticated and visually appealing interface than bots, supporting complex layouts, multimedia, and dynamic content.Enhanced Functionality: Mini Apps can utilize the full power of web technologies (HTML, CSS, JavaScript) to create advanced features, such as real-time updates, interactive forms, and sophisticated user interactions.User Authentication: They can access Telegram user information and authenticate users directly via Telegram, simplifying login and personalization processes.Context Awareness: Mini Apps can leverage the context of the conversation or chat to tailor their functionality and provide more relevant interactions.Also, Check | Develop Your Own Telegram Mini Apps : A Step-by-Step GuideSome Use Cases for Telegram Mini AppsE-Commerce: Create shopping experiences where users can browse products, make purchases, and track orders all within Telegram.Games and Entertainment: Develop interactive games or multimedia experiences that benefit from a rich, immersive environment.Productivity Tools: Build tools for tasks like project management, scheduling, or document collaboration, all within the Telegram interface.You may also like | DCA Bot Development | A Comprehensive ExplorationDifferences Between Telegram Bots and Telegram Mini AppsBased on the parameters, let's figure out the differences betweenTelegram Bots and Telegram Mini AppsFunctionalityTelegram Bots are automated programs that interact with users through chat. They handle specific tasks based on user commands and queries. Bots are excellent for automating simple tasks like providing weather updates or setting reminders.Telegram Mini Apps (TMAs) are full-fledged web applications integrated into Telegram. They offer a richer experience than Bots, supporting diverse functionalities like gaming and productivity tools. TMAs provide a more immersive user experience with interactive features.IntegrationTelegram Bots function as separate entities within the Telegram app. Users interact with Bots through chat commands and responses. Their integration is limited to the chat environment, which can restrict interaction with other Telegram features.Telegram Mini Apps (TMAs) are seamlessly integrated into Telegram. Users can access Mini Apps through chats or other Bots, creating a more cohesive experience. This deep integration allows Mini Apps to interact more fully with Telegram's core features.DevelopmentTelegram Bots use the Telegram Bot API for development. Developers can create Bots using various programming languages. The Bot API provides tools for handling text-based interactions and automating responses.Telegram Mini Apps (TMAs) are developed using web technologies like HTML, CSS, and JavaScript, along with Telegram's API. This approach allows for the creation of complex applications with custom user interfaces. Developing a Mini App is more intricate and requires web development skills.CapabilitiesTelegram Bots handle basic tasks and interactions. They can perform functions like providing weather information or managing simple data queries. Their capabilities are generally limited to text-based interactions and basic media sharing.Telegram Mini Apps (TMAs) support advanced functionalities. They handle rich media, including videos, images, and audio. TMAs can provide detailed user interactions and complex application features, making them suitable for diverse use cases.AuthorizationTelegram Bots offer easy authorization through Telegram. Users interact with Bots using their Telegram accounts without additional authentication steps. This seamless integration is ideal for simple, automated interactions.Telegram Mini Apps (TMAs) provide more flexible authorization options. They can include features like in-app purchases or subscriptions. This flexibility allows for a more customized user experience and diverse monetization strategies.User InterfaceTelegram Bots have a limited user interface. They rely on text commands, buttons, and basic media sharing. This simple interface is effective for straightforward tasks but less engaging for complex interactions.Telegram Mini Apps (TMAs) offer custom user interfaces with rich media support. They can include complex layouts, interactive elements, and multimedia content. This capability creates a more engaging and visually appealing user experience.Cross-Platform CompatibilityTelegram Bots work across all Telegram-supported devices but remain confined to the chat interface. Their functionality does not extend beyond the Telegram app, limiting their cross-platform capabilities.Telegram Mini Apps (TMAs) are web-based and accessible across various platforms, including Android, iOS, PC, Mac, and Linux. This compatibility ensures a consistent experience on any device.Monetization ScopeTelegram Bots have limited monetization options. They can integrate with external payment systems but generally offer fewer revenue opportunities compared to more advanced tools.Telegram Mini Apps (TMAs) offer robust monetization options. Developers can implement in-app purchases, subscriptions, and advertising. This flexibility allows for multiple revenue streams and greater financial potential.Web3 IntegrationTelegram Bots typically do not support Web3 technologies. Their functionality is limited to traditional Telegram features and API capabilities.Telegram Mini Apps (TMAs) support Web3 integration, including the TON SDK and TON Connect. This support allows developers to create decentralized applications and explore blockchain-based functionalities.Community InvolvementTelegram Bots has an active developer community focused on practical and efficient automated tools. The community shares resources and best practices for Bot development.Telegram Mini Apps (TMAs) benefit from a thriving, innovation-focused community. Developers in this space explore new possibilities and push the boundaries of what can be achieved within Telegram.ExamplesTelegram Bots include language translation Bots, news aggregation Bots, and customer service chatbots. They are designed for automating specific tasks and providing information through text-based interactions.Telegram Mini Apps (TMAs) include gaming platforms, e-commerce solutions, and productivity tools. These applications offer rich, interactive experiences and are often more complex and feature-rich than Bots.Also, Explore | Can ChatGPT Replace Crypto Trading BotsChoosing Between Telegram Bots and Telegram Mini AppsThe choice between a Telegram Bot and a Mini App largely depends on your project's goals and requirements.For Simplicity and Quick InteractionsIf you need a straightforward solution to automate tasks or provide basic interactions, a Telegram Bot is likely the best choice. They are easier to develop and deploy, making them ideal for customer support or content delivery.For Rich, Interactive ExperiencesIf your goal is to create a complex, visually engaging experience within Telegram, a Mini App will be more suitable. They offer greater flexibility and can provide a more immersive user experience, making them ideal for e-commerce, games, or advanced productivity tools.Suggested Read | TON Blockchain: A Guide to Telegram's Ambitious ProjectConclusionTelegram Bots and Mini Apps each have unique advantages and cater to different needs. Bots are ideal for straightforward automation and simple interactions, while Mini Apps provide a richer, more immersive experience. Understanding these differences helps you choose the right tool for your needs.If you're considering developing a Telegram Mini App, look no further than Oodles Blockchain. Our team of expertblockchain developers can help you create a sophisticated Mini App tailored to your specific requirements. Contact us today to get started and bring your vision to life within Telegram!

Technology: solana , Unity Engine more Category: Blockchain

Saumya Srivastava

10 Sep 2024

How to Utilize Rollup-as-a-Service for Maximum Efficiency As the demand forblockchain solutions continues to surge, scalability remains one of the most critical challenges facing the industry. The ability to efficiently process a large number of transactions quickly is crucial to meet growing demands.When a network is unable to handle the demand, it leads to congestion, resulting in slow transaction processing times, high fees, and a poor user experience. This can hinder the usability of blockchain networks, especially for applications with high transaction volumes. Achieving scalability is therefore crucial for the future growth and adoption of blockchain technology. This will ensure that networks can accommodate increased traffic without compromising performance. To address this, innovative solutions like Rollup-as-a-Service (RaaS) are emerging, offering a way to enhance blockchain performance without compromising security or decentralization.But what exactly isRaaS, and how does it contribute to the growing ecosystem of Layer 2 solutions?In this blog, we'll explore the concept ofRollup-as-a-Service, its types, features, and the benefits it offers to various stakeholders in the blockchain space.Suggested Read |Comprehending ZK Rollups | Layer 2 Scaling SolutionsWhat is a Rollup-as-a-Service?Rollup-as-a-Service (RaaS) refers to a specialized service or a concept that provides scalable, efficient, and cost-effective solutions for blockchain networks. Rollups-as-a-Service (RaaS) provides a layer of abstraction overRollup frameworks andSoftware Development Kit(SDKs). This makes it simple to deploy, maintain, and build custom, production-grade application-specific rollups (AppRollups). RaaS allows developers to concentrate on building the application layer, transforming a task that used to require multiple engineers' hours to complete into a 10-minute, no-code deployment process.RaaS platforms also enable Web3 businesses to implement rollup technology— a method of bundling or "rolling up" multiple transactions into a single batch to be processed off-chain and then recorded on-chain as a single transaction. This approach significantly reduces the load on the primary blockchain (Layer 1), thereby enhancing its performance and scalability.Also, Visit |Layer 2 Blockchain Scaling Solutions | Resolving Scalability IssuesTypes of RaaSRaaS platforms generally fall into two main categories based on the type of rollup they implement:Optimistic Rollups andZero-Knowledge (zk) Rollups.Optimistic RollupsOptimistic rollups operate on the assumption that all transactions are valid, eliminating the need for immediate verification. However, they incorporate a challenge period, allowing anyone to dispute a transaction if they suspect foul play. If a challenge is successful, the transaction is reversed. This approach is notable for its simplicity and seamless integration with existing smart contracts.Zero-Knowledge Rollups (zk-Rollups)Zero-knowledge rollups, or zk-Rollups, rely on cryptographic proofs to validate transactions before they are posted on-chain. Unlike Optimistic rollups, zk-Rollups generate validity proofs (zk-SNARKs or zk-STARKs) that allow the network to verify the accuracy of each transaction batch without needing to check individual transactions. This results in faster finality and enhanced security, though it comes at the cost of higher computational complexity.Read More |Zero-Knowledge Proof for Blockchain Transaction PrivacyFeatures and Functionalities of Rollup-as-a-Service (RaaS) PlatformsRaaS platforms offer a range of features designed to optimize blockchain scalability while maintaining security and decentralization:Transaction BundlingTransaction bundling reduces fees and improves network efficiency by grouping multiple transactions together. This feature is ideal for high-volume scenarios, optimizing cost and performance for scalable blockchain solutions.Deployment EaseRaaS platforms simplify blockchain deployment with user-friendly interfaces. Businesses can launch DApps or smart contracts quickly, without needing deep technical knowledge. This reduces time and effort in bringing blockchain projects to market.Broader AccessibilityRaaS platforms offer cross-platform compatibility, making blockchain applications accessible on various devices. This feature ensures broader reach and usability, driving wider adoption across different user environments.Development ToolsWith a robust suite of pre-built and customizable tools, RaaS platforms accelerate blockchain development. Developers can quickly build and deploy tailored applications, reducing time and effort while fostering innovation.Quicker Launch TimeRaaS platforms enable faster project launches by providing pre-configured environments. This quickens time-to-market, allowing businesses to capitalize on opportunities without delay.Cost SavingsRaaS platforms optimize resource usage, offering scalable and cost-effective blockchain solutions. This makes blockchain accessible to businesses of all sizes, enabling innovation without excessive spending.Security MechanismsSecurity is a top priority in RaaS platforms, which offer advanced protection like encryption and secure key management. These features ensure data and transactions are safe, building trust in blockchain solutions.Seamless API IntegrationRaaS platforms provide well-documented APIs for easy integration with existing systems. This allows businesses to incorporate blockchain technology smoothly, enhancing capabilities with minimal disruption.Deep Monitoring and AnalyticsRaaS platforms offer real-time monitoring and analytics, providing valuable insights into blockchain operations. This ensures optimal performance and allows businesses to address issues proactively.Continuous Upgrades and MaintenanceRegular updates and maintenance from RaaS platforms keep blockchain applications up-to-date and secure. This ongoing support ensures reliability and adaptability in a rapidly evolving technological landscape.Smart Contract CompatibilityRaaS platforms support smart contracts across various blockchain networks, ensuring flexibility and interoperability. This feature allows businesses to create versatile applications that work seamlessly in different ecosystems.Also, Visit |Layer 2 Blockchain Scaling SolutionsHow does Rollup-as-a-Service Work?Project OnboardingFor web3 projects, sign up with RaaS platforms to access a complete suite of SDKs, templates, and plug-and-play tools for a quick start.CustomizationPlatforms allow customization of rollups, including security settings, transaction capacities, fees, and performance standards based on specific project needs.Integration of ToolsSeamless integration of development tools, libraries, and SDKs into Web3 applications ensures smooth operation and functionality.Monitoring and MaintenanceRaaS providers offer continuous monitoring and maintenance to keep rollups secure and performant with regular updates and checks.Scaling and UpgradesDevelopers can scale rollup networks as projects grow, accommodating increasing transaction volumes and evolving requirements efficiently.What Web3 Projects Can Leverage from RaaS Platforms?Web3 projects can greatly benefit from RaaS platforms by enhancing scalability and efficiency. For Layer-1 networks like Ethereum, RaaS simplifies the deployment of custom rollups, avoiding the complexities of managing infrastructure components such as nodes and wallets. Similarly, Layer-2 solutions can use RaaS to implement rollups as Layer-3 chains, improving transaction speeds and reducing congestion. RaaS also provides a cost-effective alternative to application-specific blockchains (AppChains), allowing projects to scale without the overhead of standalone blockchains. For large-scale applications like gaming and NFTs, RaaS facilitates high-speed transactions and congestion-free environments, overcoming scalability challenges with minimal effort.Suggested Read | Comprehending ZK Rollups | Layer 2 Scaling SolutionsLeverage RaaS for Web3 Projects?Web3 projects from various businesses or enterprises can leverage RaaS platforms to significantly improve transaction processing speeds, reduce network congestion, and enhance overall efficiency.There are several ways web3 enterprises can easily utilize RaaS platforms to boost the functionality of their blockchain networks.Here's how:Incorporating Layer-2 and Layer-3 SolutionsRaaS platforms can be implemented to deploy rollups as Layer-2 solutions, enhancing scalability by processing transactions off-chain and submitting aggregated data to the main blockchain. This approach improves speed and reduces congestion.Custom RollupsEnterprises can create custom rollups tailored to their specific needs, such as adjusting security settings, transaction capacities, and performance metrics. This flexibility allows for specialized solutions that align with business requirements.Cross-Chain IntegrationRaaS platforms facilitate the integration of rollups with multiple blockchain networks, enabling interoperability and seamless interaction between different chains and applications.Check It Out |Solutions to Address the Blockchain's Scalability TrilemmaSumming UpRollup-as-a-Service (RaaS) is a powerful solution for blockchain scalability, enabling efficient off-chain processing of transactions. With RaaS, various businesses and developers can scale their database, and DeFi solutions, or integrate layer 2 solutions without worrying about investing in their own infrastructure or other resources.Get in touch with our expertblockchain developers today to learn more about how RaaS can benefit your business. We'll help you unlock the full potential of blockchain technology with robust security measures and scalable solutions. Contact us now to take the first step towards efficient and scalable blockchain solutions.

Technology: SMART CONTRACT , REDIS more Category: Blockchain

Saumya Srivastava

10 Sep 2024

Tap-to-Earn Games | An Exhaustive Guide to Rewards-Based Gaming Imagine playing games on your mobile device and earning rewards that can be redeemed for real-world cash or prizes. Sounds exciting. With this, welcome to the world oftap-to-earn games, where gaming meets earning potential.The mobile gaming industry is undergoing a significant transformation with the emergence of this new phenomenon of gaming. This innovative game genre redefines how businesses approach user engagement, monetization, and rewards. By integrating Telegram Mini Apps into tap-to-earn game development, companies can create new revenue streams and increase user retention. This approach also helps drive business growth seamlessly within the Telegram ecosystem. Telegram Mini Apps are relevant to tap-to-earn games because they offer a streamlined platform for directly integrating interactive and engaging experiences within Telegram.This blog highlights the key benefits, mechanics, and best practices of the emerging concept of gaming .Explore | Telegram Crypto Trading Bot DevelopmentWhat are Tap-to-earn Games?Also known as clicker games, T2E is an emerging game concept where players earn in-game tokens by just tapping on their phone screens. These games have gained significant traction in 2024, attracting 10 million users. The success of T2E games is closely related to Telegram's integration of cryptocurrencies and the TON blockchain. It therefore provides a ready-made audience and easy deployment for developers.Origin of Tap-to-Earn GamesTap-to-earn games, a rapidly growing subgenre within GameFi, have evolved from the play-to-earn model. The genre started gaining traction in 2018 and has surged in popularity by 2024, especially on the TON blockchain. Telegram, the fourth-largest messaging app, provided an ideal platform for the growth of these games. Its open platform and bot functionality made it easy for developers to create and deploy these games within the app.Popular tap-to-earn games includeHamster Kombat, where players manage a virtual hamster CEO of a crypto exchange, and tapSwap, which lets users mine tokens through tapping. The success of these games has been remarkable, with Notcoin, one of the earliest tapping games, attracting over 40 million players and launching its token. This trend highlights the expanding opportunities for developers and businesses in the blockchain gaming market.Also Read | Crucial Insights into Crypto Sniper Bot DevelopmentWhy are Tap-to-Earn Games so Popular?Tap-to-earn games have surged in popularity thanks to their easy accessibility, rewarding nature, and casual gameplay. They are free to download, making them widely available, and their straightforward tapping mechanics ensure anyone can play without complex learning curves. The appeal of these games lies in their reward systems, which offer in-game currency, new items, or even real-world money, driving players to keep playing.Designed for brief, casual sessions, these games are perfect for mobile users who play during commutes or breaks. Their combination of repetitive tapping and ongoing rewards creates a compelling cycle that enhances player engagement and retention.These games are, technically, not limited to the Telegram application. However, most games are being developed as mini-games within the Telegram app because the platform provides an exceptionally simple onboarding process for its vast user base of over 900 million people.Read also | Play-to-Earn NFT Games | Driving the GameFI RevolutionFeatures and Benefits of Tap-to-Earn GamesThese games offer several features and benefits that contribute to their widespread appeal:SimplicityThe core mechanic of repetitive tapping is easy to understand, making these games accessible to players of all ages and skill levels.Reward SystemThese games feature a robust reward system that provides consistent incentives, such as virtual currency, items, or real-world rewards It creates a positive feedback loop that keeps players engaged.ProgressionMany tap-to-earn games incorporate progression elements like leveling up, unlocking new content, or achieving higher scores. This adds depth to the gameplay and gives players long-term goals.Monetization OpportunitiesDevelopers can monetize tap-to-earn games through various methods, including advertising, in-app purchases, and brand partnerships, which offer additional revenue streams.Community BuildingSome games include social features, allowing players to compete with or collaborate with friends, adding another layer of engagement.Token EconomyMany tap-to-earn games use blockchain technology, allowing players to earn tokens that can be traded, staked, or used within the game's ecosystem.Decentralizationtap-to-earn games minimize reliance on central authorities on decentralized platforms, enabling trustless and transparent interactions.You may also like | GameFi and Blockchain: The Future of Online GamingHow Does Tap-to-Earn Work?The mechanics of tap-to-earn games are straightforward, yet effective in keeping players engaged:tapping MechanicThe core gameplay involves tapping the screen to perform a specific action. This could be anything from collecting coins and defeating enemies to advancing through levels or completing simple tasks. The simplicity of this mechanic makes the games easy to play and understand.Reward SystemEach tap contributes to a reward, whether it's accumulating points, earning in-game currency, or unlocking items. The reward system is typically designed to provide immediate gratification while also offering long-term goals. For example, players might earn small rewards for each tap, but larger rewards for reaching certain milestones.Monetizationtap-to-earn games generate revenue through various channels. Advertisements are a common method, where players can watch ads in exchange for rewards. In-app purchases allow players to buy additional items or speed up their progress. Some games also partner with brands to offer real-world rewards, such as gift cards or discounts, which can be earned by playing the game.Progression and ChallengesTo keep players engaged over time, many tap-to-earn games include progression systems and challenges. Players can level up, unlock new content, or compete in time-limited events. These features add depth to the gameplay, encouraging players to keep tapping and progressing.Suggested Read | The Economics of Blockchain Gaming | Understanding TokenomicsHow to Develop Tap-to-Earn Games: Mechanics ExplainedDeveloping a tap-to-earn game involves several important steps:ConceptualizationThe first step in developing a tap-to-earn game is to define the core gameplay loop. This involves deciding on the primary action (tapping) and how it will be rewarded. The concept should be simple yet engaging, with clear incentives for players to keep tapping.Designing the Reward SystemThe reward system is central to the success of a tap-to-earn game. It should be balanced to provide both short-term gratification and long-term goals. Developers need to determine what types of rewards will be offered, how they will be earned, and how they will contribute to the overall progression of the game.User InterfaceA simple and intuitive user interface is crucial for a tap-to-earn game. The interface should make it easy for players to start playing and understand how to earn rewards. Clear visuals, responsive controls, and minimal clutter are essential elements of a successful UI.Monetization StrategyDevelopers need to plan how the game will generate revenue. This could involve integrating ads, offering in-app purchases, or partnering with brands for real-world rewards. The monetization strategy should align with the overall design of the game and not disrupt the player experience.Testing and IterationOnce the game is developed, it's important to test it with a small audience to gather feedback. This testing phase allows developers to identify any issues with the gameplay, reward system, or user interface. Based on the feedback, developers can make necessary adjustments to improve the game.Launch and MarketingAfter refining the game, it's time to launch it to a broader audience. Marketing efforts should focus on highlighting the unique aspects of the game, such as the rewards system and the ease of play. Social media, app store optimization, and targeted ads can help attract players.Top tap-To-Earn Games You Should KnowHere are some popular and best tap-to-earn games that have captivated players worldwide:NotcoinReward Mechanism:Notcoin combines proof-of-activity (PoA) and proof-of-interaction (PoI). Players actively interact with the platform to earn NOT tokens.Unique Feature: Notcoin's innovative consensus mechanism sets it apart in the T2E space.Crypto Rewards: Players receive NOT tokens for their tapping efforts.Hamster KombatPlatform: Telegram-based gameMassive Player Base: With over 100 million players, Hamster Kombat is a popular T2E game.Mining Through tapping: Players mine coins by tapping their screens and completing tasks.tapSwapMining Tokens:tapSwap allows users to mine tokens through tapping actions.Simplicity: Its straightforward gameplay appeals to casual gamers.Crypto Incentives: Players tap their way to crypto rewards.You may also like | Saudi Arabia is Ready to Embrace Web3 and GamingFuture Outlook: Reasons for Tap-to-earn Game DevelopmentTap-to-earn game development offers a compelling investment opportunity, attracting a broad audience with simple and accessible gameplay. Their addictive nature drives high engagement, introducing users to cryptocurrency and blockchain technology. With Telegram's integration, developers can leverage its ecosystem, creating a win-win situation.Additionally, tap-to-earn games can integrate smoothly within the app's ecosystem, providing users with easier payment options and user-friendly gaming interfaces. Blockchain-based games might also extend their reach beyond Telegram, integrating with other technologies and platforms. For instance, incorporating non-fungible tokens (NFTs) could allow players to own unique in-game items or avatars, adding a new dimension of ownership and value.Thus, to succeed, developers must balance simplicity and engagement, ensure sustainability, and implement strong security measures, potentially making tap-to-earn a major gaming industry segment.ConclusionIn conclusion, tap-to-earn games have revolutionized the mobile gaming industry by offering a unique blend of entertainment and earning potential. With their simplicity, rewarding nature, and casual gameplay, these games have attracted millions of players worldwide.Interested in exploring tap-to-earn game development or developing a rewarding game that attracts and retains players? Our team of experiencedblockchain game developers is here to help. We'd love to discuss how our expertise can support your project. Get in touch to learn more and let's explore the possibilities together.

Technology: SMART CONTRACT , JQUERY more Category: Blockchain

Saumya Srivastava

10 Sep 2024

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