CORE is a robust cryptocurrency implementation built from scratch with enterprise-grade security and scalability. It implements a sophisticated Proof of Work consensus mechanism with dynamic difficulty adjustment, distributed mining, persistent SQLite storage, advanced fee market with priority-based transaction processing, and a full-featured P2P network.

Key features: congestion-based dynamic fees (4 priority levels), mempool with priority queue and Replace-by-Fee (RBF), RSA-PSS 2048-bit wallets, complete RESTful API, web interface for wallet management and blockchain explorer. Throughput >50 TPS with fee optimization, database queries <50ms.