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Recent Trends in Programming languages Review Article

Role of Functional Programming Languages in Blockchain Applications

  1. Atti Mangadevi Department of Information Technology, Pragati Engineering College (Autonomous), Surampalem
  2. Yamuna Mundru Department of Computer Science and Engineering (Artificial Intelligence and Machine Learning), Pragati Engineering College (Autonomous), Surampalem
  3. Manas Kumar Yogi Department of Computer Science and Engineering, Pragati Engineering College (Autonomous), Surampalem

Abstract

Functional programming (FP) languages play an increasingly influential role in blockchain applications, offering features that address critical challenges such as security, scalability, and reliability. The inherent characteristics of FP—immutability, pure functions, statelessness, and concurrency support—align well with blockchain’s decentralized and deterministic structure, making FP languages a natural fit for developing secure and verifiable smart contracts. Languages like Haskell, OCaml, and Erlang have proven effective in minimizing code errors, enabling formal verification, and supporting high-assurance development, which is essential in blockchain’s high-stakes environment. This review paper explores the strengths of FP languages in blockchain, examining their applications in smart contracts, cryptographic protocols, and privacy-preserving technologies. It also addresses challenges, including the complexity of FP languages, limited tooling, and potential performance issues, which can hinder adoption in high throughput blockchain systems. Recent advancements, however, indicate a growing hybridization of FP with traditional programming models, improving accessibility and performance. Overall, the integration of FP languages into blockchain holds promise for creating more robust and secure decentralized applications. As blockchain technology matures, the role of FP is poised to expand, particularly in industries where precision, security, and transparency are paramount.

Keywords

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