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Applications of Smart Contracts in Decentralized Finance (DeFi): Opportunities, Challenges, and Future Prospects”

Williams, Hannah OreOfe, Kasumu, Abayomi Adeoye, Kasumu, Rebecca Yinka

Abstract

This study examined the applications of smart contracts in decentralized finance (DeFi), focusing on their opportunities, challenges, and future prospects. Using a descriptive survey research design, the study involved blockchain developers, cryptocurrency investors, fintech experts, and DeFi users. From a population of 1,200, a sample of 230 respondents was selected using Yamane’s (1967) formula and purposive sampling. Data were gathered through a validated questionnaire titled Smart Contracts in Decentralized Finance (SCoDeFi), with a reliability coefficient of 0.86. Descriptive and inferential statistics including t-tests, Pearson correlation, and linear regression were used for analysis at a 0.05 significance level. Results indicated that smart contracts significantly enhance efficiency, transparency, and trust in DeFi transactions (M = 4.35, SD = 0.51; t (228) = 8.27, p < 0.05). However, major challenges such as regulatory uncertainty, security vulnerabilities, technical complexity, high transaction fees, and lack of interoperability (M = 4.20, SD = 0.60) hinder adoption. A significant negative correlation was found between implementation challenges and adoption rate (r = -0.62, p < 0.05). Furthermore, perceived opportunities and risks significantly influenced the future prospects of smart contract applications (R² = 0.50, F (2,227) = 114.3, p < 0.05). The study concludes that smart contracts are transformative tools enhancing DeFi efficiency and transparency but face persistent barriers related to security, scalability, and legal ambiguity. It recommends rigorous auditing, adaptive regulation, and risk-aware innovation to ensure sustainable adoption and promote financial inclusion within decentralized ecosystems.

Keywords

Smart ContractsDecentralized Finance (DeFi)Blockchain Technology

References

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