Blockchain Evidence Management Framework -- 2

@rahuliitm69

Hi there, I understood that you need a secure system to register digital forensic evidence, store large files off-chain, and maintain an immutable chain-of-custody using Hyperledger Fabric. I can design and build the Fabric network, write the required chaincode, integrate SHA-256 hashing, connect it with Google Cloud Storage, and deliver a complete audit and verification flow ready for real-world use. I would request to connect once to clarify a few details and then proceed with a clear implementation plan. Please ping me when convenient. Thanks, Rahul A.

@cezarybanach

I’ve worked on blockchain-backed systems where the ledger was used for integrity, traceability, and auditability while large artifacts lived securely off-chain, including projects focused on evidentiary integrity and regulated data flows. In those systems, I designed Fabric networks, wrote chaincode with strict access control, and ensured every state change produced a defensible audit trail, which aligns very closely with your chain-of-custody goals. I’m confident extending Hyperledger Fabric to register forensic evidence metadata, enforce role-based access, and immutably log every custody event while keeping raw files in Google Cloud Storage. I’m comfortable building the atomic ingestion service that hashes files with SHA-256, uploads them off-chain, and commits metadata to the ledger in one reliable transaction. Integrity verification, re-hashing checks, and exportable audit trails for court submission are areas I treat as first-class features, not add-ons. I’d approach this as a production-ready system with Docker/Kubernetes deployment, clear documentation, and a clean demo that proves legal and technical robustness end to end.

@DimiSoft777

Hi, I’ve already built real systems on Hyperledger Fabric (via GalaChain), so this forensic evidence use case is very familiar territory for me. I’ve worked hands-on with Hyperledger Fabric and chaincode while developing and integrating multiple Gala games on GalaChain, which is built on Fabric. Because of that, I understand Fabric networks, MSP roles, endorsement policies, private data collections, and how to design immutable, auditable workflows. For your hybrid forensic evidence system, I can: Design the evidence metadata model and custody flow Implement Fabric chaincode with strict role-based access control Record every view/transfer as an immutable custody event Build a service that uploads raw files to Google Cloud Storage, computes SHA-256, and commits metadata to Fabric in one flow Add an integrity verification function to prove files haven’t been altered Provide an exportable custody history for legal/court use I also have strong DevOps experience, so setting up Fabric networks, Docker, Docker Compose, Kubernetes, and deployment scripts will be easy for me. I can deliver a full end-to-end demo on a test network with clear documentation. Happy to start with a POC and then move toward a production-ready deployment. Thanks!