KaiSign

Transaction analysis and clear signing for Ethereum wallets

KaiSign is a powerful browser extension that provides clear, human-readable explanations of Ethereum transactions before you sign them. KEY FEATURES: Transaction Decoding - Automatically decodes smart contract function calls - Shows function names, parameters, and intended actions - Supports ERC-20, ERC-721, ERC-1155 token standards - Handles complex multicall and batch transactions Clear Signing Support - ERC-7730 compliant metadata integration - Human-readable intent descriptions - Recursive calldata decoding for nested transactions - EIP-712 typed data signature parsing Protocol Support - Uniswap Universal Router - Safe Wallet (Gnosis Safe) - Aave, Compound, and other DeFi protocols - Custom protocol metadata via subgraph Security Features - Pre-sign transaction analysis - Token approval warnings - Contract interaction details - Transaction history tracking Privacy First - All decoding happens locally in your browser - No private keys or transaction data sent to external servers - Metadata fetched from decentralized subgraph HOW IT WORKS: 1. Install the extension 2. Visit any dApp (Uniswap, OpenSea, Aave, etc.) 3. When a transaction is triggered, KaiSign shows a clear explanation 4. Review the transaction details before confirming in your wallet Perfect for DeFi users, NFT traders, and anyone who wants to understand exactly what they're signing.