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The on-chain check reads a public node at the latest block. Sanctions screening covers OFAC-listed digital-currency addresses only. A valid, clean address can still belong to the wrong person: confirm it through a second channel and send a small test amount first for large transfers.","on_chain":{"balance":0.18107959187534753,"balance_symbol":"ETH","checked":true,"eip7702_delegate":"0x5a7fc11397e9a8ad41bf10bf13f22b0a63f96f6d","exists":true,"kind":"eip7702_delegated_account","transactions_sent":40},"sanctions":{"checked":true,"entity":null,"list":"OFAC SDN digital-currency addresses","sanctioned":false},"source":"Computed locally (checksum and format); Optimism public node; OFAC SDN digital-currency address list","summary":"Valid EVM account or contract address (20 bytes). ","verdict":"ok","warnings":[{"code":"eip7702_delegated","message":"This account has delegated its code via EIP-7702 (a smart-wallet style account). 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