Top 5 Development Challenge that will hugely impact Smart Contracts in Financial Apps in 2024

Illustration depicting the top challenges in developing smart contracts in financial apps in 2024, highlighting scalability, security, regulatory compliance, interoperability, and the skill gap in development teams.


Smart contracts have emerged as a revolutionary technology in the financial sector, for their ability to automate and enforce agreements without the need for intermediaries. These self-executing contracts, built on blockchain technology, promise increased efficiency, reduced costs, and enhanced transparency. However, despite their potential, developing smart contracts for financial applications comes with significant challenges. In this blog, we will explore the top five development challenges of smart contracts in financial apps in 2024 and discuss potential solutions to overcome these obstacles.

Scalability Issues in Smart Contracts for Financial Apps

One of the primary challenges in the development of smart contracts for financial applications is scalability. As the user base of financial apps grows, the underlying blockchain networks must handle an increasing number of transactions efficiently. Unfortunately, most current blockchain platforms struggle with scalability, leading to slower transaction times and higher fees.

Challenges in Scalability for Smart Contracts in Financial Apps

1. Transaction Throughput: Blockchains like Ethereum can process a limited number of transactions per second (TPS). For example, Ethereum’s TPS ranges between 15 to 30, which is insufficient for large-scale financial applications that require high throughput.

2. Network Congestion: High demand can lead to network congestion, resulting in delayed transactions and increased gas fees, which are especially problematic for financial apps where timely transactions are crucial.

3. Resource Intensive: As more transactions are processed, the computational and storage requirements increase, making it challenging to maintain efficiency and performance.

Potential Solutions and Advancements for Scalability in Financial Apps

1. Layer 2 Solutions: Technologies like rollups (Optimistic and ZK-Rollups) and state channels can significantly enhance scalability by processing transactions off-chain and then settling them on the main chain. These solutions can potentially increase TPS to thousands.

2. Sharding: Sharding involves splitting the blockchain into smaller, manageable pieces (shards) that process transactions simultaneously. Ethereum 2.0 plans to implement sharding, which could dramatically improve its scalability.

3. Alternative Blockchains: Platforms like Polkadot, Solana, and Binance Smart Chain offer higher scalability compared to traditional blockchains. For instance, Solana can process up to 65,000 TPS, making it a viable option for financial apps.


According to a report by Grand View Research, the global blockchain technology market size is expected to reach $394.60 billion by 2028, growing at a CAGR of 82.4% from 2021 to 2028.
Graph showing the projected growth of the blockchain technology market for smart contracts in financial apps until 2030, illustrating significant market expansion and increasing adoption in the financial sector

– Ethereum 2.0 aims to achieve up to 100,000 TPS with sharding and other scalability solutions.

III. Security Concerns in Smart Contracts for Financial Apps

Security remains a paramount concern in the development of smart contracts for financial applications. Given that these contracts often handle large sums of money, any vulnerability can lead to significant financial losses and damage to reputation.

Security Vulnerabilities in Smart Contracts for Financial Apps

1. Code Bugs: Even minor coding errors can lead to exploits. The infamous DAO hack in 2016 resulted in a loss of $50 million due to a small bug in the smart contract code.

2. Reentrancy Attacks: These occur when a contract calls an external contract before updating its state, potentially allowing the external contract to call back into the original contract and drain funds.

3. Phishing and Social Engineering: Attackers can trick users into interacting with malicious smart contracts, leading to unauthorized fund transfers.

Best Practices for Enhancing Security in Financial Apps

1. Formal Verification: This involves mathematically proving the correctness of smart contract code. Although complex, it can significantly reduce the risk of vulnerabilities.

2. Regular Audits: Conducting thorough code audits by reputable security firms can identify and mitigate potential vulnerabilities. Firms like CertiK and ConsenSys Diligence are well-known for their blockchain security audits.

3. Security Tools: Utilizing tools like Mythril, Slither, and Oyente can help in automatically detecting vulnerabilities in smart contract code.

4. Multi-Signature Wallets: Implementing multi-signature wallets can enhance security by requiring multiple approvals for transactions, reducing the risk of unauthorized access.

Stats and Data

– According to CipherTrace, losses from cryptocurrency thefts, hacks, and frauds amounted to $1.9 billion in 2020.

Smart Contracts in Financial Apps - Graph depicting the top fraud losses in the cryptocurrency sector, highlighting the most significant losses reported due to fraud in various cryptocurrency platforms.

– A survey by PwC revealed that 45% of financial services firms consider cybersecurity to be the most important risk to address.

IV. Regulatory Compliance for Smart Contracts in Financial Apps

The regulatory landscape for smart contracts in financial applications is complex and continually evolving. Ensuring compliance with legal frameworks and standards is crucial for the successful deployment and operation of these contracts.

Regulatory Hurdles for Smart Contracts in Financial Apps

1. Jurisdictional Variations: Different countries have varying regulations regarding blockchain and smart contracts. Navigating these regulations can be challenging for developers aiming for a global user base.

2. Data Privacy Laws: Regulations like GDPR in Europe impose strict data privacy requirements. Ensuring that smart contracts comply with these laws is essential to avoid legal repercussions.

3. Financial Regulations: Smart contracts in financial applications must adhere to financial regulations such as KYC (Know Your Customer) and AML (Anti-Money Laundering). Non-compliance can result in severe penalties.

1. Legal Consultation: Engaging with legal experts specializing in blockchain technology can help navigate the complex regulatory environment.

2. Compliance Tools: Utilizing tools and platforms that offer compliance solutions can streamline the process. For example, Chainalysis provides blockchain analysis tools that help ensure AML compliance.

3. Standardization Efforts: Participating in industry-wide standardization efforts, such as those led by the International Organization for Standardization (ISO) and the Enterprise Ethereum Alliance (EEA), can help align smart contract development with regulatory requirements.

Stats and Data on Regulatory Compliance

– According to a report by MarketsandMarkets, the blockchain in the banking and financial services market is expected to grow from $279 million in 2018 to $6.7 billion by 2023, at a CAGR of 73.8%.
Smart Contracts in Financial Apps - Graph illustrating the exponential growth of the blockchain market in banking and financial services, projected to increase from $279 million in 2018 to $6.7 billion by 2023, with a compound annual growth rate (CAGR) of 73.8%, as reported by MarketsandMarkets.

– A survey by Deloitte found that 39% of blockchain-savvy executives reported regulatory issues as a significant barrier to blockchain adoption.

V. Interoperability Challenges in Smart Contracts in Financial Apps

Interoperability, or the ability of different blockchain platforms to work together seamlessly, is a significant challenge in the development of smart contracts in financial applications. Financial systems often need to interact with multiple blockchain networks, making interoperability a critical requirement.

Difficulties in Ensuring Interoperability for Smart Contracts in Financial Apps

1. Different Protocols: Various blockchain platforms use different protocols and consensus mechanisms, making it difficult to achieve seamless interoperability.

2. Data Standards: Inconsistent data standards across blockchains can lead to compatibility issues, hindering the smooth execution of cross-chain transactions.

3. Lack of Unified Frameworks: The absence of a unified framework for interoperability means that developers must create custom solutions for each integration, increasing complexity and development time.

Potential Solutions and Emerging Technologies

1. Cross-Chain Bridges: These bridges connect different blockchain networks, allowing assets and data to be transferred seamlessly. Projects like Polkadot and Cosmos are leading the way in creating interoperable blockchain ecosystems.

2. Interoperability Protocols: Protocols like Interledger and Atomic Swaps facilitate cross-chain transactions without the need for a centralized intermediary.

3. Standardization Initiatives: Efforts by organizations like the Blockchain Interoperability Alliance aim to create common standards for blockchain interoperability, making it easier for different platforms to work together.

Stats and Data

– According to a report by ResearchAndMarkets, the global blockchain interoperability market is expected to grow from $2.1 billion in 2020 to $11.7 billion by 2025, at a CAGR of 41.2%.

Smart Contracts in Financial Apps - Graph illustrating the projected growth of the global blockchain interoperability market from $2.1 billion in 2020 to $11.7 billion by 2025, with an expected compound annual growth rate (CAGR) of 41.2% according to a report by ResearchAndMarkets.

– Polkadot, an interoperability-focused blockchain, has a market capitalization of over $20 billion, highlighting the growing importance of this technology.

VI. Skill Gap in Development Teams for Smart Contracts in Financial Apps

The rapid evolution of blockchain technology has led to a significant skill gap in the industry. Developing smart contracts in financial applications requires a deep understanding of both blockchain technology and financial systems, making it challenging to find skilled developers.

Shortage of Skilled Developers for Smart Contracts in Financial Apps

1. Specialized Knowledge: Smart contract development requires expertise in programming languages like Solidity, as well as knowledge of blockchain architecture and cryptographic principles.

2. Complex Financial Systems: Developers must also understand the intricacies of financial systems and regulations, adding another layer of complexity to the skill requirements.

3. High Demand, Low Supply: The demand for blockchain developers far outstrips the supply, leading to increased competition for talent and higher costs.

Recommendations for Upskilling and Attracting Talent for Building Smart Contracts in Financial Apps

1. Training Programs: Investing in comprehensive training programs can help upskill existing teams. Online platforms like Coursera, Udemy, and LinkedIn Learning offer courses on blockchain and smart contract development.

2. Collaborations with Academia: Partnering with universities and research institutions can help bridge the skill gap by fostering the next generation of blockchain developers.

3. Hackathons and Competitions: Organizing and participating in hackathons can attract new talent and provide hands-on experience in solving real-world problems.

4. Incentive Programs: Offering competitive salaries, benefits, and opportunities for career growth can help attract and retain top talent in the blockchain space.

Stats and Data

– According to LinkedIn, blockchain is one of the top in-demand hard skills, with blockchain developer job postings increasing by over 600% from 2015 to 2020.

Smart Contracts in Financial Apps - Graph illustrating the surge in demand for blockchain developers, showing a 600% increase in blockchain developer job postings on LinkedIn from 2015 to 2020.

– A survey by Devskiller found that 72% of hiring managers consider blockchain skills to be one of the most challenging to recruit for.

VII. Conclusion

The development of smart contracts in financial apps in 2024 presents numerous challenges, including scalability issues, security concerns, regulatory compliance, interoperability difficulties, and a skill gap in development teams. Addressing these challenges is crucial for the continued growth and innovation in the financial sector.

Scalability solutions like Layer 2 technologies, sharding, and alternative blockchains can help manage the increasing transaction load. Enhancing security through formal verification, regular audits, and multi-signature wallets can mitigate vulnerabilities. Navigating the complex regulatory landscape requires a combination of legal consultation and compliance tools. Overcoming interoperability challenges involves leveraging cross-chain bridges and interoperability protocols. Finally, addressing the skill gap through training programs, academic collaborations, and competitive incentives can ensure a steady supply of skilled developers.

By tackling these challenges head-on, the financial industry can fully realize the potential of smart contracts, driving efficiency, transparency, and innovation in financial applications. 

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