Smart Contracts and Blockchain Technology: Innovations, Applications and Challenges in the Digital Economy

Tudor-Gabriel Budișteanu ()
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Tudor-Gabriel Budișteanu: Bucharest University of Economic Studies

A chapter in Leading Change in Disruptive Times, 2026, pp 164-175 from Springer

Abstract: Abstract Smart contracts are self-executing programs that operate on blockchain technology, ensuring automation, security, and transparency while eliminating intermediaries. Introduced by Nick Szabo in 1994, their practical application became feasible with ethereum, which provided a decentralized environment for development and execution. This paper explores the definition, characteristics, advantages, challenges, and applications of smart contracts across various sectors. Key attributes such as automation, transparency, immutability, security, and autonomy are analyzed, highlighting their ability to reduce costs, enhance efficiency, and facilitate global transactions. Smart contracts are widely adopted in finance, supply chains, law, and public administration. In decentralized finance, they enable automated payments, lending, and insurance, minimizing reliance on traditional banks. In legal systems, blockchain-based digital land registries improve document security and efficiency. Supply chains benefit from real-time tracking, fraud reduction, and counterfeit prevention. In public administration, smart contracts enhance digital identity management, procurement transparency, and electronic voting systems. Despite these benefits, smart contracts face technical and legal challenges, including regulatory uncertainty, security risks, contract rigidity, and blockchain scalability issues. Solutions like layer 2 technologies and sharding aim to improve scalability, while governments are working on regulatory integration. This study provides a comprehensive analysis of smart contracts and their transformative impact on the global economy, offering insights into future developments and adoption strategies.

Keywords: smart contracts; blockchain; crypto; economy; finance (search for similar items in EconPapers)
Date: 2026
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Persistent link: https://EconPapers.repec.org/RePEc:spr:prbchp:978-3-032-19276-9_12

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DOI: 10.1007/978-3-032-19276-9_12

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