b20_check
Check a Base B20 token
Before buying, holding, or accepting a Base B20 token (address starts 0xB200 or 0xB201), check who can mint, seize, pause, or block it. Returns a verdict (LOCKED, PARTIALLY_CONTROLLED, ISSUER_CONTROLLED) from live precompile reads. Full role holders and history are available over x402.
addressrequired