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Improving Healthcare with Ethereum Smart Contracts
In our previous articles, we have assessed the potential of blockchain app development in the healthcare industry. We have primarily focused on the advantages of blockchain and how they revolutionize the healthcare industry. In this article, we focus on exploring the challenges faced by the healthcare sector and how the use of blockchain smart contracts solutionsfor instance with Ethereum address them quite efficiently. However, first, let's examine what blockchain smart contracts really are, then delve into the intricacies of smart contracts and blockchain.
Blockchain Smart Contracts
Smart contracts are blockchain-powered business protocols or contracts that facilitate the verification, enforcement, and performance of digital transactions automatically with optimum accuracy. Smart contracts enable transactions to execute even in the absence of third parties.
The healthcare sector faces various challenges, from an increasing number of patients, drug counterfeiting, middlemen, administrative inefficiencies, and more. Smart contracts powered by Blockchain's decentralized applications can solve these challenges. They can facilitate secure and efficient transferring, retrieval, analysis, and management of healthcare-related information and data.
Also Read:Three Ways Blockchain Smart Contracts Are Revolutionizing Healthcare
Challenges in the Healthcare Sector
Data Security and Integrity
With the increasing number of patients, healthcare providers witness a significant strain on their side. Managing and keeping patients' health information, records, and data secure with IoT devices are arduous tasks for medical practitioners and healthcare providers. The data stored in centralized databases are always vulnerable to breaches, hacks, and threats. Indeed, in some cases, malicious actors have stolen patients' health data for marketing purposes.
Then, there are medical insurance frauds that cost taxpayers in billions every year. Additionally, billing for services not rendered, excessive services and duplicate claims, and more are other critical instances of healthcare insurance frauds.
Inefficient Administration
Gross lapses and wastages administrate public health sectors around the globe.
In the US, hospitals splurge nearly a quarter of the budget on billing and administrative costs. Cases of readmissions, poorly managed patient flows, poor communication, and delays and lags further intensify inefficiencies in the healthcare administration.
Not only this but also patients spend a lot of time dealing with appointments, chasing down records, filling out forms, refilling prescriptions, and whatnot. Even physicians and nurses spend over hours to complete paperwork and conduct administrative tasks.
Blockchain Smart Contract Solutions
Telemedicine
Telemedicine is a field gaining traction across the healthcare sector. It enables physicians to reach patients through the means of electronic devices like Wearable Body Area Networks (WBANs), mobile phones, and other IoT devices. Telemedicine predominantly enables healthcare for chronic health management, prescription compliance, and collecting real-time information about patients' conditions. Such advancements provide sufficient assistance in enhancing interoperability, reducing administrative inefficiency, and enhancing patients' healthcare experience. The downside of such solutions, however, is that they are also lucrative targets for hackers. Here, to ensure the safety and privacy of patients' information and other critical clinical data, blockchain smart contracts can play a crucial role. A blockchain consortium of healthcare stakeholders can use smart contracts to analyze, aggregate, and share data across the network. Smart contracts can further assist them in maintaining data in an immutable state, thus, ensuring trust, transparency, and efficiency for all. Overall, blockchain like Ethereum and smart contracts can ensure healthcare data is securely stored while being reliable and transparent.
Enhanced Interoperability and Reconciliation
Blockchain smart contracts in the healthcare sector can also enable efficient interoperability and reconciliation of health records and information of a patient with the digital ledger. They can provide solutions using which patients can move from one hospital to another without carrying numerous separate forms. They can simply permit respective physicians to view their health records on the blockchain network. Also, they can streamline the racking of patients'' treatment activities and data for purposes of insurance payments. Additionally, smart contracts can ensure compliance and adherence to healthcare standards and regulatory requirements. Any changes to any standard, process, or operation can be instantly updated on the blockchain network without hassle.
Put simply, smart contracts and blockchain can be the most effective technological advancements for the betterment of the healthcare sector. While the technologies are nascent, there is no doubt that can empower the healthcare domain. They can provide stakeholders with diverse capabilities and rights that ultimately revolutionize the industry. Smart contracts are equipped with high-level encryption and security. Users, therefore, can rest assured that their information is safe, confidential, and attack-proof including other advantages.
Ethereum Smart Contracts
Healthcare professionals and medical providers in fields including global public health, pharmacology, medicine, and health data are recognizing the advantages of using Ethereum blockchain and its smart contract capabilities. Ethereum blockchain development and smart contract solutions can significantly streamline and secure healthcare data management, enable drug traceability, automate operations, and more.
Ethereum Blockchain and Smart Contract Use Cases in Healthcare
An Ethereum Blockchain-based solution equipped with smart contracts can further augment the overall healthcare industry's capability to improve operational performance, patient data transparency, tracking, traceability, accountability, reduced costs, and more. We, at Oodles, provide healthcare solutions using blockchain platforms and applications like Ethereum and smart contracts. We can tailor them to address various challenges across healthcare applications, including the following:
Secure Electronic Health Records (EHRs) Management
Patient Consent Management
Drug Traceability
Strengthened Healthcare Supply Chain
Data Security in Clinical Trials
Incentivization Through Micropayments
Mudit Kumar
27 Feb 2020
An Exhaustive Guide to Real World Smart Contracts Use Cases
In the constantly evolving landscape of blockchain technology, smart contract development stand out as one of the most significant innovations. Businesses across various industries are increasingly exploring how smart contracts can streamline operations, reduce costs, and create new revenue opportunities. From supply chain management to insurance, real-world implementations demonstrate how transformative this technology can be. In this comprehensive blog post, we will look at what smart contracts are, why they are important in a business-to-business (B2B) setting, and how they are applied in different sectors. We will also address frequently asked questions (FAQs) to provide a holistic understanding of this emerging field.What Are Smart Contracts?Smart contracts are self-executing contracts with the terms of the agreement directly written into code. The code and agreements exist across a decentralized blockchain network. Once a predefined condition in the contract is met, the corresponding action is automatically executed without the need for intermediaries.Key Characteristics of Smart ContractsAutonomy: Smart contracts operate automatically once the conditions encoded are satisfied, minimizing human intervention.Transparency: All participants in the blockchain network can view the code and terms of the contract, reducing the risk of disputes.Immutable: Once a smart contract is deployed on the blockchain, it cannot be changed or altered without consensus from the network participants.Security: Built-in cryptographic mechanisms ensure high security, making tampering nearly impossible.Cost-Efficiency: By removing intermediaries and automating workflows, smart contracts can significantly reduce transaction and administrative costs.Smart contracts rely on the trustless nature of blockchain technology. Instead of relying on a single central authority, transactions are verified by multiple nodes on the network, ensuring no single entity can unilaterally alter a contract's outcome.Also, Read | Creating Cross-Chain Smart Contracts with Polkadot and SubstrateWhy Smart Contracts Matter in B2B EnvironmentsThe B2B world is often characterized by complex, multi-party transactions that demand high levels of trust, security, and compliance. Traditional contract-based processes can be time-consuming and prone to human errors, leading to high operational costs. Smart contracts address many of these pain points by:Streamlining Workflows: Automated contract execution reduces the need for back-and-forth communications, lowering overhead and shortening transaction times.Reducing Fraud & Errors: Since all rules and transaction logs exist on an immutable ledger, the risk of data manipulation or fraud is significantly minimized.Enhancing Collaboration: Blockchain-based smart contracts facilitate a transparent environment where every transaction is visible to authorized parties. This encourages a more collaborative approach among different stakeholders in a supply chain or partnership.Increasing Accountability: By recording all actions on a shared ledger, businesses can enforce accountability and traceability, making audits simpler and more accurate.Facilitating Global Operations: Blockchain technology is borderless, which allows companies to partner globally without worrying about discrepancies in contract law across different jurisdictions.From manufacturing and logistics to financial services, businesses in various industries are discovering the unique advantages of integrating smart contracts into their operational processes.Also, Check | Optimism Platform: Developing and Implementing Layer 2 Smart ContractsReal-World Applications of Smart ContractsIn this section, we will explore some of the most prominent real-world use cases for smart contracts. We will delve into various industries, examine specific scenarios, and highlight the value smart contracts bring to each domain.Supply Chain ManagementEliminating Intermediaries and DelaysTraditionally, supply chains involve numerous intermediaries—from suppliers and freight forwarders to customs officials and retailers. This leads to complex documentation, paperwork delays, and potential errors. Smart contracts can automate many of these steps:Purchase Orders and Payments: A smart contract can automatically trigger payment once goods reach a specified location or meet certain quality standards.Automated Compliance: Regulatory requirements (for instance, temperature control conditions for perishable goods) can be coded into a contract, so shipments are flagged if conditions are not met.Enhanced TraceabilityWith smart contracts on a blockchain, each stage of a product's journey—manufacturing, transportation, warehousing, and final delivery—can be recorded immutably. This data is invaluable for:Recall Management: In the event of a product recall, businesses can swiftly identify affected batches, saving time, cost, and potentially lives (in the case of pharmaceuticals or food).Ethical Sourcing: Companies can track the origin of raw materials, ensuring ethical sourcing that meets environmental and labor standards.InsuranceAutomated Claims ProcessingInsurance claims often involve multiple checkpoints: claimant submission, manual review, verification of coverage, and payment disbursement. Smart contracts streamline this workflow:Smart Policies: Policies can be embedded with parameters that check coverage and trigger payouts automatically. For example, parametric insurance (commonly used in agricultural or weather-related coverage) uses data such as rainfall or temperature thresholds to confirm and disburse payment without human intervention.Fraud Reduction: An immutable record of interactions helps insurers combat fraudulent claims more effectively.Cost Savings and EfficiencyReducing manual overhead and the time spent on claims processing can significantly lower administrative expenses for insurers. These savings can be passed on to policyholders in the form of lower premiums, creating a competitive advantage.Real EstateSimplifying Property TransactionsReal estate transactions typically involve brokers, lawyers, banks, and notaries, leading to high fees and slow processes. Smart contracts cut through the complexity:Automated Escrow Services: Funds are held in a smart contract until certain conditions—like property inspections or title transfers—are met, eliminating the need for third-party escrow services.Title Management: Digitalized and tokenized property titles can be transferred instantly, decreasing paperwork and legal costs.Fractional OwnershipSmart contracts also open up new investment opportunities in real estate by facilitating fractional ownership. Multiple investors can collectively own a share of a property with minimal administrative overhead. The distribution of rental income or proceeds from a sale can be automatically handled by a smart contract, boosting transparency and trust among stakeholders.Also, Discover | Emerging Smart Contracts Use Cases in 2025 | UpdatedFinancial ServicesStreamlined Cross-Border PaymentsInternational payments can be slow and expensive due to multiple banks and clearinghouses. Smart contracts reduce these barriers:Real-Time Settlements: By automating the release of funds once specific conditions are met, smart contracts help achieve near-instant settlements.Reduced Transaction Fees: Lower operational costs mean financial institutions can offer more competitive rates, attracting more customers and fostering trust.Automated ComplianceIn regulated industries like finance, compliance is crucial. Smart contracts can be programmed to ensure that all transactions meet regulatory requirements, flagging any that do not. This feature can drastically reduce compliance-related risks and fines for financial institutions.HealthcareSecure Data ManagementMedical records are highly sensitive, and healthcare providers must comply with stringent privacy regulations like HIPAA (Health Insurance Portability and Accountability Act) in the U.S. Smart contracts enable:Encrypted Access Control: Only authorized personnel can access patient data, and any access request can trigger an immutable record of that event.Patient Consent Management: Smart contracts can store patient consent forms and automatically verify permissions for data sharing among providers.Optimized Billing and Insurance ClaimsHealthcare billing is often opaque and prone to errors. Smart contracts can automate the validation of insurance coverage, reduce billing errors, and ensure timely payments to healthcare providers.Governance and VotingTransparent ElectionsSmart contracts can be employed for secure, transparent voting systems at a corporate or government level:Immutable Votes: Once a vote is cast, it cannot be changed or tampered with, significantly reducing voter fraud.Instant Tallying: Results can be compiled automatically, lowering administrative overhead and providing immediate outcomes.Automated Grants and Funds AllocationIn public governance, funds allocated for specific programs can be tied to smart contracts that release money only upon meeting certain milestones. This ensures taxpayer funds are used as intended, increasing transparency and accountability.Also, Check | Revolutionary Smart Contract Use Cases on Blockchain | Updated 2025Intellectual Property Rights and Royalty ManagementOwnership VerificationCreators often face challenges proving ownership of their work. Smart contracts offer:Timestamped Registrations: By storing content on a blockchain, creators have an immutable, timestamped record proving ownership.Automated Royalty Payments: Royalties can be distributed automatically whenever a piece of intellectual property is sold or used.Streamlined LicensingSmart contracts can encode licensing agreements, enabling automatic renewal or termination based on predefined conditions, greatly simplifying the negotiation process for B2B licensing deals.Energy and UtilitiesPeer-to-Peer Energy TradingWith the rise of renewable energy sources like solar panels, households and businesses can sell excess energy back to the grid. Smart contracts facilitate peer-to-peer trading:Automated Micro-Payments: Energy producers get paid in real-time for the surplus energy they feed into the grid, while consumers can buy energy more affordably directly from small producers.Demand-Side Management: Utilities can implement dynamic pricing, automatically adjusting rates based on consumption patterns and grid load.Transparent Carbon CreditsSmart contracts can also manage the distribution and trading of carbon credits. Once a company meets certain greenhouse gas reduction targets, credits are automatically issued and verified. This system reduces administrative overhead and boosts credibility in carbon offset markets.Overcoming Challenges in Smart Contract AdoptionWhile the potential of smart contracts is undeniable, businesses must address several challenges to maximize their benefits:Security Concerns: Coding errors or vulnerabilities can be exploited by bad actors. Continuous auditing and best coding practices are essential.Regulatory Ambiguity: The legal status of smart contracts varies by jurisdiction. Enterprises should consult legal experts to ensure compliance.Integration Complexities: Many business processes run on legacy systems, which may not easily integrate with blockchain-based smart contracts.Scalability: High transaction volumes can strain some blockchain networks, leading to increased costs and slower transaction times.Lack of Standardization: Diverse blockchain platforms exist, each with different standards and protocols. This fragmentation can complicate interoperability between systems.Addressing these hurdles often involves a combination of technological solutions (e.g., Layer-2 scaling), strategic partnerships (with blockchain experts or consortiums), and robust governance frameworks.Also, Explore | How to Scale Smart Contracts with State ChannelsBest Practices for Implementing Smart Contracts in B2BBusinesses aiming to leverage smart contracts should consider the following best practices to ensure success:Define Clear Use CasesFocus on solving specific business pain points, such as streamlining document verification in the supply chain or automating claim settlements in insurance.Choose the Right Blockchain PlatformPlatforms like Ethereum, Hyperledger Fabric, and Corda each have their own strengths. Evaluate network speed, cost, privacy, and existing ecosystem support before selecting one.Conduct Thorough AuditsRegular code reviews and third-party audits are critical for identifying and resolving vulnerabilities early.Establish Governance ModelsSet clear policies on who can deploy contracts, how updates are managed, and how disputes are resolved. This is particularly important when multiple enterprises share a single blockchain network.Pilot ProjectsStart with small-scale pilot projects to gather data, refine processes, and measure ROI before a full-scale rollout.Invest in Talent and TrainingHaving skilled professionals—blockchain developers, smart contract specialists, and tech-savvy project managers—on the team is essential for a smooth integration.Collaborate with Legal ExpertsWork with legal professionals experienced in blockchain technology to navigate contracts, IP rights, and jurisdictional issues effectively.By adhering to these guidelines, companies can mitigate risks and accelerate the realization of smart contract benefits.You may also like | Build a Secure Smart Contract Using zk-SNARKs in SolidityFrequently Asked Questions (FAQ)1. Are smart contracts legally enforceable?Smart contracts are legally recognized in several jurisdictions, but the legal landscape is still evolving. Some countries and states (for example, certain U.S. states like Arizona and Vermont) have passed legislation acknowledging the legality of blockchain-based records and signatures. However, enterprises should consult with legal experts to ensure compliance in their specific jurisdictions.2. Can I modify a smart contract after it has been deployed?One of the core features of smart contracts is their immutability. Once deployed, the code cannot be altered unless there is a mechanism for upgrades (such as proxy contracts or modular smart contract architectures). In such designs, upgradeability is built in from the start, but it requires careful consideration to balance flexibility with security and decentralization.3. What happens if a bug is found in a smart contract?Bugs in smart contracts can lead to financial losses or system malfunctions. Hence, rigorous testing, external audits, and code reviews are vital. If a bug is discovered post-deployment, possible solutions include implementing an upgradeable contract (if previously designed that way) or using community or centralized governance mechanisms (depending on the platform) to address the issue. Remediating a bug can be complex and sometimes may require consensus from the network participants.4. Do all smart contracts require a public blockchain?Not necessarily. Public blockchains like Ethereum provide a transparent environment, but many businesses opt for private or permissioned blockchains (e.g., Hyperledger Fabric, Corda) where the network participants are known and vetted. The choice depends on the use case and the level of privacy, scalability, and control required.5. How do I get started with smart contracts?Starting involves several steps:Identify Use Cases: Determine where automation and trustless execution can create the most value for your business.Select a Platform: Evaluate platforms based on speed, cost, privacy features, and community support.Prototype: Develop a proof of concept (PoC) or minimum viable product (MVP).Test & Audit: Thoroughly test the contract with test data and conduct professional audits.Deploy: Roll out the contract in a controlled environment before moving to full-scale production.6. How secure are smart contracts?Smart contracts benefit from blockchain's cryptographic security, but they are only as secure as the code written. Common vulnerabilities (like re-entrancy attacks on Ethereum) can be mitigated by adhering to best practices, using established development frameworks, and performing routine audits.7. What are the costs associated with deploying and running smart contracts?Costs vary depending on the blockchain network. In public networks like Ethereum, gas fees can fluctuate significantly. For private or permissioned networks, operational costs might come from infrastructure, maintenance, and licensing fees. Additionally, businesses should budget for security audits, ongoing development, and potential upgrades.ConclusionSmart contracts represent a groundbreaking technological leap in contract execution and multi-party collaboration. Their self-executing, trustless, and transparent nature aligns perfectly with the needs of modern B2B environments, where efficiency, security, and compliance are paramount. By providing automated workflows, reducing administrative overhead, and improving fraud detection, smart contracts offer a compelling business case across numerous sectors—from supply chain management and insurance to real estate, finance, healthcare, and beyond.However, implementing smart contracts is not without challenges. Issues such as regulatory uncertainty, scalability concerns, and integration with legacy systems can act as roadblocks. Nonetheless, these hurdles are being actively addressed through advanced tooling, consortium-driven standards, and progressive legal frameworks. Businesses that embrace smart contracts stand to gain a competitive edge by optimizing processes, lowering costs, and opening new avenues for innovation.Whether you are a startup looking to disrupt a traditional industry or a large enterprise aiming to improve efficiency, connect with our smart contract developers to get started with smart contract development can be a powerful tool.
Technology:
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Mudit Kumar
12 Oct 2018
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