{"slug":"b20-metadata-integrity-edb10552","name":"B20 Metadata Integrity","summary":"🆕 A B20 with a METADATA_ROLE holder can call updateName/updateSymbol — change its own identity after launch (an impersonation / bait-and-switch vector ERC-20 has no protocol equivalent for). Reads whether the metadata is mutable (role holder exists) AND whether it has ALREADY been renamed on-chain (NameUpdated/SymbolUpdated history). Trust the address, not the label.","status":"live","indexable":true,"listed_since":"2026-10-25T17:51:34.608484Z","sources":[{"source":"x402_bazaar","external_id":"https://402.com.tr/api/x402/b20-metadata","owner_address":"0x973a31858f4d2125f48c880542da11a2796f12d6","seen_at":"2026-10-26T06:00:05.503156Z","removed_at":null}],"endpoints":[{"url":"https://402.com.tr/api/x402/b20-metadata","host":"402.com.tr","protocol":"x402","state":"live","last_probe_at":"2026-10-26T02:03:00.355535Z","last_ok_at":"2026-10-26T02:03:00.355535Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[{"slug":"402-com-tr-8c934a76","name":"402.com.tr"}],"payment_options":[],"usage":{"source":"x402_bazaar","unique_payers_30d":4,"paid_calls_30d":8,"last_paid_at":"2026-10-21T04:00:09.978Z","reported_at":"2026-10-26T06:00:05.503156Z"},"notice":"Not affiliated with addrbook — claim or request removal."}