QED
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QED certificate

QED record 2a883e8dbad6 from . View the live pool page.

Verified · Robinhood CRCL

Does CRCL / PFE match its issuer's published contract?

The pool's quote contract matches Robinhood's registry entry for CRCL.

Verified means the observed quote-token contract matches an issuer-published registry entry on Robinhood Chain. Only the quote-side contract is checked.

This does not prove backing, custody, reserves, price, safety, solvency, or endorsement.

Signature valid · contract match

Robinhood Chain Uniswap v4
Subject
CRCL / PFE · Robinhood Chain
Pool address
0x9d287d9cc4292d4edd599d983a221ad4c1b16340996326be9b3e0b5786caf33d
Issuer match
Robinhood · CRCL · View CRCL contracts
Checked
Valid until
Serial
2a883e8dbad6
Signed by
QED (key id GJWKkiUd)

After this time the certificate remains a historical record, but it no longer establishes current pool or registry state. Re-check to create a fresh observation before relying on current facts.

Compare this address with the one you were given before you trade.

0.77% Checked

Only trust an address you pasted here or opened from this page.

How to verify this yourself

QED signs a canonical JSON payload. Fetch the public key from /.well-known/qed.json, then check the signature against this payload.

Canonical JSON
{"block":97903118,"chain":"robinhood","checked_at":"2026-10-25T21:37:06Z","dev":false,"expires_at":"2026-10-26T21:37:06Z","issuer":"Robinhood","pool":{"base":{"address":"0x7066A64c24e4206CD62E83bf198c1E7EB361F51e","balance":"2393470241803089012645","decimals":18,"symbol":"PFE"},"chain":"robinhood","dex":"uniswap-v4","pool":"0x9d287d9cc4292d4edd599d983a221ad4c1b16340996326be9b3e0b5786caf33d","quote":{"address":"0xdF0992E440dD0be65BD8439b609d6D4366bf1CB5","balance":"847441451467230473391","decimals":18,"symbol":"CRCL"}},"quote_share_of_supply":0.007669897513329778,"reads":[{"block":null,"method":"eth_call","params":["0x58daec3116aae6d93017baaea7749052e8a04fa7","poolKeys","0x9d287d9cc4292d4edd599d983a221ad4c1b16340996326be9b"],"raw_result":"Object {\"currency0\": String(\"0x7066a64c24e4206cd62e83bf198c1e7eb361f51e\"), \"currency1\": String(\"0xdf0992e440dd0be65bd8439b609d6d4366bf1cb5\"), \"fee\": String(\"9000\"), \"hooks\": String(\"0x0000000000000000000000000000000000000000\"), \"tickSpacing\": String(\"90\")}","result_hash":"19b01dabce3ad3b1b4eabba01a8d68e4d1d0db73b846a2e1c9d20fb878e98c8b","slot":null},{"block":null,"method":"eth_call","params":["0xf3334192d15450cdd385c8b70e03f9a6bd9e673b","getSlot0","0x9d287d9cc4292d4edd599d983a221ad4c1b16340996326be9b3e0b5786caf33d"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0xf3334192d15450cdd385c8b70e03f9a6bd9e673b","getLiquidity","0x9d287d9cc4292d4edd599d983a221ad4c1b16340996326be9b3e0b5786caf33d"],"raw_result":"1424193068287173220254","result_hash":"fc21eb0c92c51fd75f4a25bcff4d6f204be0af1f044ba58acd18c8e3691b49da","slot":null},{"block":null,"method":"eth_call","params":["0x7066A64c24e4206CD62E83bf198c1E7EB361F51e","symbol()"],"raw_result":"Some(\"PFE\")","result_hash":"693d364f57f51ea431da024e95e0b6d3679c591ed747a286c1a491371961ac54","slot":null},{"block":null,"method":"eth_call","params":["0x7066A64c24e4206CD62E83bf198c1E7EB361F51e","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0xdF0992E440dD0be65BD8439b609d6D4366bf1CB5","symbol()"],"raw_result":"Some(\"CRCL\")","result_hash":"349ec607fad735855e568bfbe99bd0638807670884c320fa4b454e212fa29156","slot":null},{"block":null,"method":"eth_call","params":["0xdF0992E440dD0be65BD8439b609d6D4366bf1CB5","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":97903118,"method":"eth_blockNumber","params":[],"result_hash":"85a4b58d690a8f9cb36b3ece3cdf99890b1b1ef5858478160ee8c10240b24e11","slot":null},{"block":null,"method":"eth_call","params":["0x7066A64c24e4206CD62E83bf198c1E7EB361F51e","symbol()"],"raw_result":"Some(\"PFE\")","result_hash":"693d364f57f51ea431da024e95e0b6d3679c591ed747a286c1a491371961ac54","slot":null},{"block":null,"method":"eth_call","params":["0x7066A64c24e4206CD62E83bf198c1E7EB361F51e","name()"],"raw_result":"Some(\"Pfizer • Robinhood Token\")","result_hash":"b112992617583124b4fea70a6deae908f5bb4f4be95695eafb22fbe462d389d5","slot":null},{"block":null,"method":"eth_call","params":["0x7066A64c24e4206CD62E83bf198c1E7EB361F51e","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x7066A64c24e4206CD62E83bf198c1E7EB361F51e","totalSupply()"],"raw_result":"Some(\"8491729540000000000000\")","result_hash":"f44022a931708a210899c7061fdb9265489708a1b647bc46ec28f0c21ce11f66","slot":null},{"block":null,"method":"eth_call","params":["0x7066A64c24e4206CD62E83bf198c1E7EB361F51e","uiMultiplier()"],"raw_result":"1000000000000000000","result_hash":"46754a2491051f216577f1b9f19516f9be1a28c62f023dcbabd8c5317cdefe4b","slot":null},{"block":null,"method":"eth_call","params":["0xdF0992E440dD0be65BD8439b609d6D4366bf1CB5","symbol()"],"raw_result":"Some(\"CRCL\")","result_hash":"349ec607fad735855e568bfbe99bd0638807670884c320fa4b454e212fa29156","slot":null},{"block":null,"method":"eth_call","params":["0xdF0992E440dD0be65BD8439b609d6D4366bf1CB5","name()"],"raw_result":"Some(\"Circle Internet Group • Robinhood Token\")","result_hash":"981b0dd56bfb652f6f07df42d6221edfeb31fb4e45723bb43a3ddfd1ee579a91","slot":null},{"block":null,"method":"eth_call","params":["0xdF0992E440dD0be65BD8439b609d6D4366bf1CB5","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0xdF0992E440dD0be65BD8439b609d6D4366bf1CB5","totalSupply()"],"raw_result":"Some(\"110489279680000000000000\")","result_hash":"78be675db9acd35817f5b8edb969ec2b141e28a4555e54b82effed9f28c11c1d","slot":null},{"block":null,"method":"eth_call","params":["0xdF0992E440dD0be65BD8439b609d6D4366bf1CB5","uiMultiplier()"],"raw_result":"1000000000000000000","result_hash":"46754a2491051f216577f1b9f19516f9be1a28c62f023dcbabd8c5317cdefe4b","slot":null},{"block":null,"method":"eth_getCode","params":["0xdF0992E440dD0be65BD8439b609d6D4366bf1CB5","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null},{"block":null,"method":"eth_getCode","params":["0xdF0992E440dD0be65BD8439b609d6D4366bf1CB5","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null}],"registry_entry":{"chain":"robinhood","contract":"0xdF0992E440dD0be65BD8439b609d6D4366bf1CB5","decimals":18,"issuer":"Robinhood","last_checked":"2026-10-25T21:07:31Z","name":"Circle Internet Group","official_deployments":[{"address":"0xdF0992E440dD0be65BD8439b609d6D4366bf1CB5","network":"Robinhood Chain"}],"source":"robinhood-registry","source_url":"https://api.robinhood.com/rhj/assets","ticker":"CRCL"},"registry_hash":"76cea31de208d2c5b8204c43ccf8c064187ffea067a1a30eb36fea68f08cee28","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0x9d287d9cc4292d4edd599d983a221ad4c1b16340996326be9b3e0b5786caf33d","ticker":"CRCL","verdict":{"Verified":{"issuer":"Robinhood","ticker":"CRCL"}},"version":1}
Signature
Pgh1HK9XuXf7o42BinQyESxGfc/rMgHjpYXyx3xrmVlKL0aHbidWJpBRQMarTIKRmZQs2fXWA2Mdns6dwuLcDw==
API call
GET /api/attest/2a883e8dbad6821977f82514376192dcbe979cdd13b0ceed1d08f22e2cf9b8ae
  1. Fetch the public key and attestation JSON, then verify the signature with the published key.
  2. Canonicalize the payload with sorted object keys and no whitespace, then verify its SHA-256 attestation id.
  3. Run the API call above and compare the returned payload, serial, signer, and signature with this certificate.