Python-based blockchain backend with wallet management and cryptographic transaction signing. • Built blockchain backend with wallet management, ECDSA transaction signing, and proof-of-work mining algorithm • Implemented event-driven middleware for real-time block propagation via Socket.IO • Containerized with Docker for reproducible local and production deployment Tech: Python | Flask | Socket.IO | ECDSA | Docker Project URL: github.com/Yanvi09/Azeroth_Chain_Explorer