The Blockchain algorithm has advanced the accountability and transparency of modern digital infrastructures. Enforcing responsible behavior and data integrity across distributed environments involves several key components, such as smart contracts, access control models, cryptographic techniques, and a decentralized identity framework. Because the blockchain ledger is immutable and transparent, once a transaction is recorded, it cannot be altered without detection, making fraudulent actions easily traceable and thereby ensuring accountability. However, the need for hybrid approaches that combine on-chain and off-chain solutions for an efficient reliability system introduces challenges, including privacy preservation, scalability, and regulatory compliance. This paper analyzes the effective features that enhance blockchain accountability, such as immutability, traceability, auditability, and decentralized control. We propose research gap directions for the research community. To improve the reliability of blockchain systems across various domains, based on a systematic analysis and integration of recent developments and real-world demands. Consequently, we have distinguished 33 rele
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