{"ok":true,"verified":"2026-09-20","method":"each address was found by searching for the standard's own event topics, then read back on chain","chains":[{"chainId":8453,"chain":"Base","deployments":3,"live":3},{"chainId":5042,"chain":"Arc","deployments":2,"live":1},{"chainId":1,"chain":"Ethereum","deployments":2,"live":2},{"chainId":4663,"chain":"Robinhood","deployments":2,"live":1}],"standards":["ERC-8004","ERC-8183"],"events":[{"name":"Registered","standard":"ERC-8004","topic0":"0xca52e62c367d81bb2e328eb795f7c7ba24afb478408a26c0e201d155c449bc4a","signature":"Registered(uint256,string,address)"},{"name":"URIUpdated","standard":"ERC-8004","topic0":"0x3a2c7fffc2cba7582c690e3b82c453ea02a308326a98a3ad7576c606336409fb","signature":"URIUpdated(uint256,string,address)"},{"name":"MetadataSet","standard":"ERC-8004","topic0":"0x2c149ed548c6d2993cd73efe187df6eccabe4538091b33adbd25fafdb8a1468b","signature":"MetadataSet(uint256,string,string,bytes)"},{"name":"NewFeedback","standard":"ERC-8004","topic0":"0x6a4a61743519c9d648a14e6493f47dbe3ff1aa29e7785c96c8326a205e58febc","signature":"NewFeedback(uint256,address,uint64,int128,uint8,string,string,string,string,string,bytes32)"},{"name":"FeedbackRevoked","standard":"ERC-8004","topic0":"0x25156fd3288212246d8b008d5921fde376c71ed14ac2e072a506eb06fde6d09d","signature":"FeedbackRevoked(uint256,address,uint64)"},{"name":"ResponseAppended","standard":"ERC-8004","topic0":"0xb1c6be0b5b8aef6539e2fac0fd131a2faa7b49edf8e505b5eb0ad487d56051d4","signature":"ResponseAppended(uint256,address,uint64,address,string,bytes32)"},{"name":"ValidationRequest","standard":"ERC-8004","topic0":"0x530436c3634a98e1e626b0898be2f1e9980cc1bd2a78c07a0aba52d0a48a5059","signature":"ValidationRequest(address,uint256,string,bytes32)"},{"name":"ValidationResponse","standard":"ERC-8004","topic0":"0xafddf629e874ccc3963b6a888c477bd464a6c8525024fc88759ea3b2326349ae","signature":"ValidationResponse(address,uint256,bytes32,uint8,string,bytes32,string)"}],"deployments":[{"standard":"ERC-8004","role":"Identity Registry","address":"0x8004a169fb4a3325136eb29fa0ceb6d2e539a432","chainId":8453,"chain":"Base","activity":"live","evidence":"57 Registered events in 16,000 blocks; ownerOf(1) returns an owner and tokenURI(1) decodes to an eip-8004 registration-v1 record"},{"standard":"ERC-8004","role":"Reputation Registry","address":"0x8004baa17c55a88189ae136b182e5fda19de9b63","chainId":8453,"chain":"Base","activity":"live","evidence":"1,153 NewFeedback events in 16,000 blocks"},{"standard":"ERC-8004","role":"Identity Registry","address":"0x8004a169fb4a3325136eb29fa0ceb6d2e539a432","chainId":5042,"chain":"Arc","activity":"live","evidence":"163 agents enumerated by id, 126 with an owner and a published skill. No events in the last 3,000 Arc blocks — an earlier version of this map read that quiet window as \"idle\", which confused recent activity with population"},{"standard":"ERC-8004","role":"Reputation Registry","address":"0x8004baa17c55a88189ae136b182e5fda19de9b63","chainId":5042,"chain":"Arc","activity":"idle","evidence":"deployed (130-byte proxy); no feedback observed"},{"standard":"ERC-8004","role":"Identity Registry","address":"0x8004a169fb4a3325136eb29fa0ceb6d2e539a432","chainId":1,"chain":"Ethereum","activity":"live","evidence":"17 events in 2,000 blocks across four topics; ownerOf(1) returns 0x9ce7082814bDA389F3ba548BDf2626006279569c"},{"standard":"ERC-8004","role":"Reputation Registry","address":"0x8004baa17c55a88189ae136b182e5fda19de9b63","chainId":1,"chain":"Ethereum","activity":"live","evidence":"32 NewFeedback events in the last 500 blocks, verified by direct RPC read on 2026-09-20"},{"standard":"ERC-8004","role":"Identity Registry","address":"0x8004a169fb4a3325136eb29fa0ceb6d2e539a432","chainId":4663,"chain":"Robinhood","activity":"live","evidence":"130 bytes of code; 460 agents enumerated by id (ownerOf answers for 0–459 and not for 460); 110 have an owner and at least one published skill"},{"standard":"ERC-8004","role":"Reputation Registry","address":"0x8004baa17c55a88189ae136b182e5fda19de9b63","chainId":4663,"chain":"Robinhood","activity":"idle","evidence":"deployed (130-byte proxy); no feedback events observed in the scanned window"},{"standard":"ERC-8183","role":"Job lifecycle (Virtuals ACP)","address":"0x238E541BfefD82238730D00a2208E5497F1832E0","chainId":8453,"chain":"Base","activity":"live","evidence":"163 bytes of code, emitting continuously — 14 events in a 27-minute window; source of the 2,340 observed jobs"}],"not_observed":[{"standard":"ERC-8004","role":"Validation Registry","note":"no ValidationRequest event seen on Base in 16,000 blocks; the registry may exist but nothing has used it"},{"standard":"IACPHook","role":"Hook traces","note":"the whitepaper names it as the extension point where deposit, premium and verdict attach; no deployment identified yet"},{"standard":"x402","role":"Metered payment","note":"settled over HTTP, so it leaves no on-chain event to key on; it is correlated instead (see the correlator)"}],"get_key":{"free":true,"why":"a free key in one call (no payment, nothing signed): send it as X-API-Key for its own budget on /v1/demands, /gw/rpc, /gw/mcp and /v1/agents/register","http":{"method":"POST","url":"https://coord.taifoon.dev/v1/register","body":{},"optional":{"wallet_address":"0x… a label for your tenant; nothing is signed"}},"mcp":{"server":"https://coord.taifoon.dev/mcp","tool":"taifoon_register","arguments":{}},"cli":"npx @taifoon/cli login --free","quickstart":"https://coord.taifoon.dev/v1/quickstart"}}