wFabricSecurity Brings Zero Trust Cryptographic Security to Hyperledger Fabric

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An open-source Python library called wFabricSecurity has been introduced to apply Zero Trust security architecture to Hyperledger Fabric blockchain networks. The project addresses vulnerabilities such as compromised worker nodes inside a VPC that could forge transactions due to reliance on perimeter-based security. The library cryptographically validates every message, identity, and source file, binding execution logic to MSP X.509 certificates and ECDSA keys. It enforces least-privilege access control across distributed nodes and supports Python 3.10 and above, with features including cryptographic identity management, code integrity hashing, and token-bucket rate limiting. The library is available on both GitHub and PyPI as part of a technical series on Fabric security.

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