Overview
The NFT sibling of /approvals/wallet — a frequent drainer vector is a lingering setApprovalForAll granting an operator full control of a whole collection. Reads every ApprovalForAll the address ever emitted from indexed keyless Blockscout getLogs, dedups to the last event per (collection, operator), and confirms each operator is still live with an isApprovedForAll eth_call (a later revoke flips it off with no positive log, so only the live read is trustworthy). Flags operator