Wallet Screening & Dossier

Screen EVM addresses against sanctions sources and return a structured dossier -- with an explicit record of what could NOT be checked. Per address: the Chainalysis sanctions oracle on BOTH Ethereum and Base (separate deployments, reported separately and never merged into one verdict), plus an embedded OFAC SDN list spanning the ETH, USDT, USDC, ARB, BSC and ETC currency tags. Dossier: native and USD balance, contract vs EOA (EIP-7702 delegation distinguished), contract verification and name, ENS, creator, proxy type, block-explorer scam flag, token metadata, wallet age from the first-ever transaction, and the address that first funded the wallet -- itself screened against the sanctions list. Reliability is the product. Every field is tri-state: observed, absent, or unknown. A source that times out yields null, never false. Replies are correlated by each response own echoed identity, never by array position, so a batch cannot cross-pair one address verdict onto another. An address whose oracle did not answer is reported not_screened -- it is never silently cleared. INPUT. One address: {"query":"0x..."}. A batch of up to 20: {"addresses":["0x...","0x..."]} -- the batch key is "addresses" (or "queries"), or post a bare JSON array. Passing an array under "query" is read as a single malformed address, not a batch. NOT legal or compliance advice, and not a substitute for a licensed screening provider. It reports what these specific sources said at this moment.

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