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sriram9573 / Block-chain-of-custody

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Blockchain-based chain of custody system for forensic evidence tracking. Uses SHA-256 hashing and AES-128 encryption to create an immutable, tamper-proof ledger. CLI tool with role-based access control for law enforcement and legal teams.

python security cryptography blockchain forensics cybersecurity sha256 aes-encryption cli-tool audit-trail law-enforcement chain-of-custody evidence-management immutable-ledger
  • Updated Dec 14, 2025
  • Python

FAIZAN-Bor / Blockchain-Based-Attendance-Management-System-BAMS-

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A decentralized attendance management system using custom 3-layer blockchain architecture. Features SHA-256 hashing, Proof of Work mining, real-time validation, and React-based UI. Built from scratch without external blockchain libraries.

react nodejs education express decentralized sha256 proof-of-work full-stack-web-development immutable-ledger blockchain-attendance-system
  • Updated Nov 17, 2025
  • JavaScript

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