Node.js Keccak-256

Prevent Ethereum hashing bugs in JavaScript and TypeScript. Node's sha3-256 is NIST SHA3, not Ethereum Keccak-256, and silently breaks selectors, signatures, storage slots, and address derivation.

Source: github.com/affaan-m/everything-claude-code/tree/main/skills/nodejs-keccak256 · License: MIT