Securing Enterprise API Ecosystems with Blockchain Authentication and Context-Aware Access Control Mechanisms

Authors

  • G N K Suresh Babu Department of Computer Science and Engineering, Madha Engineering College, Chennai, India Author

Keywords:

Blockchain Authentication; Enterprise API Security; Context-Aware Access Control; Decentralized Identity Management; Smart Contracts; Zero Trust Security; Cryptographic Verification; API Gateway Security; Dynamic Authorization; Distributed Ledger Technology.

Abstract

Enterprise application ecosystems increasingly depend on interconnected Application Programming Interfaces (APIs) to facilitate secure communication, data exchange, and business process automation across distributed cloud environments. However, conventional authentication and access control mechanisms face challenges involving identity impersonation, credential theft, unauthorized access, centralized trust dependencies, and evolving cyber threats. This research proposes an integrated security framework combining blockchain-based authentication with context-aware access control mechanisms to strengthen enterprise API security. The proposed architecture utilizes decentralized identity verification, cryptographic authentication, smart contracts, and distributed ledger technology to establish transparent and tamper-resistant identity management. Context-aware access control evaluates dynamic security attributes, including user identity, device integrity, geographic location, access time, behavioral patterns, and resource sensitivity, before authorizing API requests. The framework integrates policy-based authorization with continuous verification to minimize excessive privileges and reduce unauthorized interactions. A layered architecture incorporating API gateways, blockchain identity services, policy decision points, and security monitoring components supports scalable enterprise deployment. The proposed methodology evaluates authentication reliability, authorization accuracy, request processing latency, scalability, and resistance to common API security threats. By combining decentralized trust management with adaptive authorization decisions, the framework aims to improve confidentiality, integrity, accountability, and operational resilience across enterprise API ecosystems. This approach provides a foundation for secure, scalable, and intelligent API governance in modern distributed enterprise infrastructures.

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Published

2026-10-19

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