Block chain, Smart Contracts, and Artificial Intelligence: Transforming Contract Law in the Digital Era

Abstract

The increasing adoption of blockchain technology, smart contracts, and artificial intelligence (AI) is fundamentally transforming contract law by enabling automation, transparency, and data-driven legal processes. Despite growing interest, existing studies remain fragmented, and a comprehensive synthesis of their legal implications is lacking. Accordingly, this study aims to systematically examine the applications, benefits, and challenges of blockchain, smart contracts, and AI within contract law. A systematic literature review was conducted on peer-reviewed studies published between 2018 and 2025, following a structured selection and analysis process across major academic databases. The analysis focused on technological applications, legal and regulatory challenges, and contributions to contract enforcement and legal compliance. The results indicate that AI enhances contract analysis, compliance monitoring, and workflow optimization, while smart contracts enable automated execution and reduce human error. Blockchain technology strengthens transparency, immutability, and secure contract validation. However, significant challenges persist, including legal uncertainty, regulatory gaps, enforceability limitations, and ethical concerns related to transparency, accountability, and algorithmic bias. This study contributes to the literature by providing an integrated and up-to-date synthesis of these emerging technologies in contract law, identifying critical gaps, and outlining regulatory and ethical considerations. The findings conclude that coordinated regulatory frameworks, ethical guidelines, and cross-jurisdictional standards are essential to fully leverage these technologies while mitigating associated risks, thereby supporting future research, policymaking, and practical legal technology applications.