🦀 Rust Master Class - Chapter 24: Blockchain
🦀 Rust Master Class - Chapter 24: Blockchain Trust fall exercise. You fall backward. Someone catches you. But what if they don't? Blockchain is trust — but the cryptographic kind. Mathematical kind. Building a blockchain from scratch in Rust involves using custom data structures to represent blocks and the chain itself, combined with cryptographic hashing for security and a "mining" process to…
The chapter delves into blockchain trust using Rust's custom data structures and cryptographic hashing. Two main structs, Block and BlockChain, form the foundation. Block holds data and features like a unique ID, nonce, data payload, hash, previous_hash, and timestamp. BlockChain contains a Vec of Block. The genesis block is the initial block, initialized with ID 1 and a dummy previous_hash.
Mining involves repeatedly hashing block content with a varying nonce until a valid hash, starting with 0000, is found. Validation checks include matching previous hashes, ensuring hash prefixes, and verifying IDs. Chain selection in decentralized setups involves choosing the longest, valid chain.
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