Node.js Keccak-256 Ethereum uses Keccak-256, not the NIST-standardized SHA3 variant exposed by Node's crypto.createHash('sha3-256') . When to Use Computing Ethereum function selectors or event topics Building EIP-712, signature, Merkle, or storage-slot helpers in JS/TS Reviewing any code that hashes Ethereum data with Node crypto directly How It Works The two algorithms produce different outputs for the same input, and Node will not warn you. import crypto from 'crypto' ; import { keccak256 , toUtf8Bytes } from 'ethers' ; Show more Installs 1.5K Repository affaan-m/ecc GitHub Stars 239.2K First Seen May 19, 2026 Security Audits Gen Agent Trust Hub Pass Socket Pass Snyk Pass
nodejs-keccak256
安装
npx skills add https://github.com/affaan-m/ecc --skill nodejs-keccak256