4 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.
Verify EVM signatures offline: EIP-191 personal messages, EIP-712 typed data, and x402/EIP-3009 payment authorizations (paste a raw Payment-Signature header) — recovers the signing wallet, checks it against an expected a...
EIP-3009 authorization state: was this USDC transferWithAuthorization nonce already used? Safe-retry check for agents that pay over x402.
Pre-sign safety verdict for an off-chain EIP-712 signature (EIP-2612, Permit2, EIP-3009). Decodes what it authorizes (spender, token, amount, deadline), checks domain-spoof, approval-hygiene and scam-blocklist, returns a...
Base EVM Transaction Calldata, Logs & Transfer Decoder ($0.010 USDC). Deterministic decoding of transaction calldata, status, gas metrics, method selector, and event logs (EIP-3009, Transfer, Swap) on Base Mainnet.