BLOCKCHAIN FOUNDATIONS
Understanding consensus mechanisms, Merkle trees, and cryptographic primitives. The building blocks every protocol engineer must own.
Bitcoin Whitepaper
9 pages that started it all. Read before writing a single line of blockchain code. The mental model here underlies every chain.
RustCrypto — cryptographic primitives
Pure Rust implementations of SHA-2, Ed25519, AES, and other primitives. Use these crates in your own chain implementations.
MIT 6.5840 — Distributed Systems lectures
Free on YouTube. Covers Raft consensus, consistency models, fault tolerance. The distributed systems theory behind every blockchain.