{"slug":"nbx4-4fd60791","name":"nbx4","summary":"Analyze a Base Mainnet token contract: block-pinned owner(), ERC-1967 proxy slots, ERC-20 metadata, code hash, best-effort source match and prior-snapshot comparison when available. Free POST /v1/prepare returns report_id; paid GET /v1/report reads it for 0.01 USDC via x402. Not a security audit.","status":"live","indexable":true,"listed_since":"2026-10-25T17:51:22.003227Z","sources":[{"source":"x402_bazaar","external_id":"https://nbx4.dev/v1/report","owner_address":"0x15dbec18a30457013c6a436ff25f607ef834c46c","seen_at":"2026-10-26T16:30:15.527756Z","removed_at":null}],"endpoints":[{"url":"https://nbx4.dev/v1/report","host":"nbx4.dev","protocol":"x402","state":"live","last_probe_at":"2026-10-26T05:45:29.370613Z","last_ok_at":"2026-10-26T05:45:29.370613Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[{"slug":"nbx4-dev-da7ce924","name":"nbx4.dev"}],"payment_options":[],"usage":{"source":"x402_bazaar","unique_payers_30d":4,"paid_calls_30d":6,"last_paid_at":"2026-10-24T20:32:59.422Z","reported_at":"2026-10-26T16:30:15.527756Z"},"assessment":{"method":"2026.10.1","checks":[{"id":"answers","state":"pass","reason":"Answered a check 9 hours ago."},{"id":"owner","state":"fail","reason":"No one has proven control of its domain or of the wallet it is paid at."},{"id":"track_record","state":"fail","reason":"Listed for 0 days; 30 are needed."},{"id":"real_customers","state":"fail","reason":"4 different wallets paid it in 30 days, as the x402 Bazaar reports (not yet counted by addrbook); 10 are needed."},{"id":"clean_scan","state":"not_applicable","reason":"Not an MCP server."}],"passed":1,"applicable":4,"contradicted":false,"computed_at":"2026-10-26T14:50:04.066237Z"},"identity":{"endpoint_domains":["nbx4.dev"],"proven_domains":[],"proven_wallets":[],"namesakes":[],"namesake_count":0},"replies":[],"customers":null,"scan":null,"notice":"Not affiliated with addrbook — claim or request removal."}