QED
v1.1.5
Menu
← Back to validated

QED certificate

QED record c9ad506b0dc1 from . View the live pool page.

Verified · Robinhood QQQ

Does QQQ / WETH match its issuer's published contract?

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

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 v3
Subject
QQQ / WETH · Robinhood Chain
Pool address
0xA40D00a55d43bA2d188039DCF88bD68f4F133E78
Issuer match
Robinhood · QQQ · View QQQ contracts
Checked
Valid until
Serial
c9ad506b0dc1
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.

1.70% 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":97122025,"chain":"robinhood","checked_at":"2026-10-24T22:52:48Z","dev":false,"expires_at":"2026-10-25T22:52:48Z","issuer":"Robinhood","pool":{"base":{"address":"0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","balance":"86096868100103886187","decimals":18,"symbol":"WETH"},"chain":"robinhood","dex":"uniswap-v3","pool":"0xA40D00a55d43bA2d188039DCF88bD68f4F133E78","quote":{"address":"0xD5f3879160bc7c32ebb4dC785F8a4F505888de68","balance":"129491491207146890548","decimals":18,"symbol":"QQQ"}},"quote_share_of_supply":0.016955953029904595,"reads":[{"block":97122025,"method":"eth_blockNumber","params":[],"result_hash":"cde6fb641f513bbf95cbf40ae97e625cfa507b9cd3ac5c001ab192e0b70f560f","slot":null},{"block":null,"method":"eth_call","params":["0xA40D00a55d43bA2d188039DCF88bD68f4F133E78","token0()"],"raw_result":"0x0bd7d308f8e1639fab988df18a8011f41eacad73","result_hash":"de544c5c8fa36cc133d3195abda0458ac2fac1d8dc7a92dfa423a4c9aa1b415d","slot":null},{"block":null,"method":"eth_call","params":["0xA40D00a55d43bA2d188039DCF88bD68f4F133E78","token1()"],"raw_result":"0xd5f3879160bc7c32ebb4dc785f8a4f505888de68","result_hash":"9bd90eb85ea7836838fa3000d9a6c13f6bb646cc5344fd844e58a4bf85e2a67f","slot":null},{"block":null,"method":"eth_call","params":["0xA40D00a55d43bA2d188039DCF88bD68f4F133E78","getReserves()"],"raw_result":"false","result_hash":"076de6e730df0b4c3860877a0f619c6ac11f8aefd78313ac793a2a703c026869","slot":null},{"block":null,"method":"eth_call","params":["0xA40D00a55d43bA2d188039DCF88bD68f4F133E78","slot0()"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0xA40D00a55d43bA2d188039DCF88bD68f4F133E78","factory()"],"raw_result":"0x1f7d7550b1b028f7571e69a784071f0205fd2efa","result_hash":"bf7614e6e838b22e4363dfcb3022451641875235ca13e64f8d2d8c3334ff85f3","slot":null},{"block":null,"method":"eth_call","params":["0xA40D00a55d43bA2d188039DCF88bD68f4F133E78","fee()"],"raw_result":"3000","result_hash":"53232d7da9fd2a1931dcd44af08ec415dd52ab8ecc4037ef5e68eb3753978a2e","slot":null},{"block":null,"method":"eth_call","params":["0x1f7d7550B1b028f7571E69A784071F0205FD2EfA","getPool","0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","0xD5f3879160bc7c32ebb4dC785F8a4F505888de68","0xbb8"],"raw_result":"0xa40d00a55d43ba2d188039dcf88bd68f4f133e78","result_hash":"51aefefb8defa7958d0ec0e9def9dd5024b83d38047ecd12dd1721e59cce6af1","slot":null},{"block":null,"method":"eth_call","params":["0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","symbol()"],"raw_result":"Some(\"WETH\")","result_hash":"dc9a1e89eb43cbff5ed113508a53364a9573ef16fa5feb01fc948b3da8bfe14b","slot":null},{"block":null,"method":"eth_call","params":["0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","balanceOf","0xA40D00a55d43bA2d188039DCF88bD68f4F133E78"],"raw_result":"Some(\"86096868100103886187\")","result_hash":"9157c77c1513df546d5f38252d124238079cc57f2ad95b5e6ceba854ec930920","slot":null},{"block":null,"method":"eth_call","params":["0xD5f3879160bc7c32ebb4dC785F8a4F505888de68","symbol()"],"raw_result":"Some(\"QQQ\")","result_hash":"3484733d4c72ec171630e7c55163bd00f2a50a818074ea0bde42a199df42cadb","slot":null},{"block":null,"method":"eth_call","params":["0xD5f3879160bc7c32ebb4dC785F8a4F505888de68","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0xD5f3879160bc7c32ebb4dC785F8a4F505888de68","balanceOf","0xA40D00a55d43bA2d188039DCF88bD68f4F133E78"],"raw_result":"Some(\"129491491207146890548\")","result_hash":"fcf1910b8c5b4f63353b00a749a27e3d2e30aab1a9ffcfab0a0e69faa71abf90","slot":null},{"block":null,"method":"eth_call","params":["0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","symbol()"],"raw_result":"Some(\"WETH\")","result_hash":"dc9a1e89eb43cbff5ed113508a53364a9573ef16fa5feb01fc948b3da8bfe14b","slot":null},{"block":null,"method":"eth_call","params":["0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","name()"],"raw_result":"Some(\"WETH\")","result_hash":"dc9a1e89eb43cbff5ed113508a53364a9573ef16fa5feb01fc948b3da8bfe14b","slot":null},{"block":null,"method":"eth_call","params":["0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","totalSupply()"],"raw_result":"Some(\"39861208837660313537125\")","result_hash":"5cb3a843ea9676bb08d9de7b8a0bdd308941d2b70e08985fdcc2905509f173a0","slot":null},{"block":null,"method":"eth_call","params":["0xD5f3879160bc7c32ebb4dC785F8a4F505888de68","symbol()"],"raw_result":"Some(\"QQQ\")","result_hash":"3484733d4c72ec171630e7c55163bd00f2a50a818074ea0bde42a199df42cadb","slot":null},{"block":null,"method":"eth_call","params":["0xD5f3879160bc7c32ebb4dC785F8a4F505888de68","name()"],"raw_result":"Some(\"Invesco QQQ • Robinhood Token\")","result_hash":"d3667227e735e48c9eceb564152fba2b7f5ddfa823fb19e531daf7024b9b03f0","slot":null},{"block":null,"method":"eth_call","params":["0xD5f3879160bc7c32ebb4dC785F8a4F505888de68","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0xD5f3879160bc7c32ebb4dC785F8a4F505888de68","totalSupply()"],"raw_result":"Some(\"7636933823700000000000\")","result_hash":"9c63b195829d2e1963ce532c6a472b93d922ccdde5dd276f03e379eb71c15e78","slot":null},{"block":null,"method":"eth_call","params":["0xD5f3879160bc7c32ebb4dC785F8a4F505888de68","uiMultiplier()"],"raw_result":"1000700791241405425","result_hash":"b37529cae6d6cc0e9a51d27ebcccf454ac68f582f8c74195dbfd6e7170317a93","slot":null},{"block":null,"method":"eth_getCode","params":["0xD5f3879160bc7c32ebb4dC785F8a4F505888de68","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null},{"block":null,"method":"eth_getCode","params":["0xD5f3879160bc7c32ebb4dC785F8a4F505888de68","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null}],"registry_entry":{"chain":"robinhood","contract":"0xD5f3879160bc7c32ebb4dC785F8a4F505888de68","decimals":18,"issuer":"Robinhood","last_checked":"2026-10-24T22:49:54Z","name":"Invesco QQQ","official_deployments":[{"address":"0xD5f3879160bc7c32ebb4dC785F8a4F505888de68","network":"Robinhood Chain"}],"source":"robinhood-registry","source_url":"https://api.robinhood.com/rhj/assets","ticker":"QQQ"},"registry_hash":"11a0507daae96fec5b409a1e9e4d2ab9bfc3d6ce2a03fe68ba497ba9987d26a5","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0xA40D00a55d43bA2d188039DCF88bD68f4F133E78","ticker":"QQQ","verdict":{"Verified":{"issuer":"Robinhood","ticker":"QQQ"}},"version":1}
Signature
WkV92NoVONCjT0msa+7Ayl6yY8Ns+DjEOD2LZbc4n/9WjHuCJzn6uudiXV+EC+1xXu5vKWMkti7q5ed87grDDA==
API call
GET /api/attest/c9ad506b0dc1f1b45bd066ae185300c7618f6003ad42848bb06d4d8d8df91630
  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.