QED
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QED certificate

QED record 8dd4b48e86d4 from . View the live pool page.

Verified · Robinhood NVDA

Does NVDA / AI match its issuer's published contract?

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

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
NVDA / AI · Robinhood Chain
Pool address
0x40ea3e3A6aB2A95F35fD26BCD227AE1F0D5A58Cc
Issuer match
Robinhood · NVDA · View NVDA contracts
Checked
Valid until
Serial
8dd4b48e86d4
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.

under 0.01% 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":91683524,"chain":"robinhood","checked_at":"2026-10-18T10:01:42Z","dev":false,"expires_at":"2026-10-19T10:01:42Z","issuer":"Robinhood","pool":{"base":{"address":"0x2E8c31162b855A2ffa90F6F8634643Ad6F111e18","balance":"1512567497943640916048","decimals":18,"symbol":"AI"},"chain":"robinhood","dex":"uniswap-v3","pool":"0x40ea3e3A6aB2A95F35fD26BCD227AE1F0D5A58Cc","quote":{"address":"0xd0601CE157Db5bdC3162BbaC2a2C8aF5320D9EEC","balance":"122793227038888098","decimals":18,"symbol":"NVDA"}},"quote_share_of_supply":1.362128321381878e-6,"reads":[{"block":91683524,"method":"eth_blockNumber","params":[],"result_hash":"777e1faad5700c32c89a0a5a71c1e91c521221fb38fc4eb04e8ccf2d5112f5b7","slot":null},{"block":null,"method":"eth_call","params":["0x40ea3e3A6aB2A95F35fD26BCD227AE1F0D5A58Cc","token0()"],"raw_result":"0x2e8c31162b855a2ffa90f6f8634643ad6f111e18","result_hash":"8172265b70db1680ca61c7000ab2d63a3fe33bf26ab8771a2985bcb1361c92e9","slot":null},{"block":null,"method":"eth_call","params":["0x40ea3e3A6aB2A95F35fD26BCD227AE1F0D5A58Cc","token1()"],"raw_result":"0xd0601ce157db5bdc3162bbac2a2c8af5320d9eec","result_hash":"837593898070a9209e25b8e838227fd9a1d34f048e67360db2591dc0ee9b7688","slot":null},{"block":null,"method":"eth_call","params":["0x40ea3e3A6aB2A95F35fD26BCD227AE1F0D5A58Cc","getReserves()"],"raw_result":"false","result_hash":"076de6e730df0b4c3860877a0f619c6ac11f8aefd78313ac793a2a703c026869","slot":null},{"block":null,"method":"eth_call","params":["0x40ea3e3A6aB2A95F35fD26BCD227AE1F0D5A58Cc","slot0()"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0x40ea3e3A6aB2A95F35fD26BCD227AE1F0D5A58Cc","factory()"],"raw_result":"0x1f7d7550b1b028f7571e69a784071f0205fd2efa","result_hash":"bf7614e6e838b22e4363dfcb3022451641875235ca13e64f8d2d8c3334ff85f3","slot":null},{"block":null,"method":"eth_call","params":["0x40ea3e3A6aB2A95F35fD26BCD227AE1F0D5A58Cc","fee()"],"raw_result":"10000","result_hash":"328d48ab2376d2f42d3af5ba69086143c8f5fe883ed195a8280b2154a5711a33","slot":null},{"block":null,"method":"eth_call","params":["0x1f7d7550B1b028f7571E69A784071F0205FD2EfA","getPool","0x2E8c31162b855A2ffa90F6F8634643Ad6F111e18","0xd0601CE157Db5bdC3162BbaC2a2C8aF5320D9EEC","0x2710"],"raw_result":"0x40ea3e3a6ab2a95f35fd26bcd227ae1f0d5a58cc","result_hash":"9daacddedf73b8e5f7d7dd39e3ae8a6dface0d2c0b522a004d69bbbc611dc1eb","slot":null},{"block":null,"method":"eth_call","params":["0x2E8c31162b855A2ffa90F6F8634643Ad6F111e18","symbol()"],"raw_result":"Some(\"AI\")","result_hash":"e491ce6ed90566b76e173a3aaa3d761c8c769eca8714ade1e52d57e76a6852ac","slot":null},{"block":null,"method":"eth_call","params":["0x2E8c31162b855A2ffa90F6F8634643Ad6F111e18","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x2E8c31162b855A2ffa90F6F8634643Ad6F111e18","balanceOf","0x40ea3e3A6aB2A95F35fD26BCD227AE1F0D5A58Cc"],"raw_result":"Some(\"1512567497943640916048\")","result_hash":"902a757881d16743e3673ec760b72af52bce971d43e9f48bfac125771a8e4c01","slot":null},{"block":null,"method":"eth_call","params":["0xd0601CE157Db5bdC3162BbaC2a2C8aF5320D9EEC","symbol()"],"raw_result":"Some(\"NVDA\")","result_hash":"021d1642ab9caf5c93ff501b70a3d5285343a63f3b632bcbe7daed2fdac7ebfb","slot":null},{"block":null,"method":"eth_call","params":["0xd0601CE157Db5bdC3162BbaC2a2C8aF5320D9EEC","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0xd0601CE157Db5bdC3162BbaC2a2C8aF5320D9EEC","balanceOf","0x40ea3e3A6aB2A95F35fD26BCD227AE1F0D5A58Cc"],"raw_result":"Some(\"122793227038888098\")","result_hash":"1a454b07dae2358d152deb41a9add23961acc5673798080c444315a22d975f80","slot":null},{"block":null,"method":"eth_call","params":["0x2E8c31162b855A2ffa90F6F8634643Ad6F111e18","symbol()"],"raw_result":"Some(\"AI\")","result_hash":"e491ce6ed90566b76e173a3aaa3d761c8c769eca8714ade1e52d57e76a6852ac","slot":null},{"block":null,"method":"eth_call","params":["0x2E8c31162b855A2ffa90F6F8634643Ad6F111e18","name()"],"raw_result":"Some(\"Artificial Inu\")","result_hash":"717bc35d84f3decb3599dba2051915aacc863fc3af031b3fea5b980f87a7b350","slot":null},{"block":null,"method":"eth_call","params":["0x2E8c31162b855A2ffa90F6F8634643Ad6F111e18","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x2E8c31162b855A2ffa90F6F8634643Ad6F111e18","totalSupply()"],"raw_result":"Some(\"991036008157349974295122674\")","result_hash":"401ece1ec5a8d317820e83fd65ea2645bc05d72ae83cab4bec7dcf2a3a57b48d","slot":null},{"block":null,"method":"eth_call","params":["0xd0601CE157Db5bdC3162BbaC2a2C8aF5320D9EEC","symbol()"],"raw_result":"Some(\"NVDA\")","result_hash":"021d1642ab9caf5c93ff501b70a3d5285343a63f3b632bcbe7daed2fdac7ebfb","slot":null},{"block":null,"method":"eth_call","params":["0xd0601CE157Db5bdC3162BbaC2a2C8aF5320D9EEC","name()"],"raw_result":"Some(\"NVIDIA • Robinhood Token\")","result_hash":"164300b6b2737c6d4c2f7641a7df85a5a7adae8429019a4b66cdf2e8e5fe57c6","slot":null},{"block":null,"method":"eth_call","params":["0xd0601CE157Db5bdC3162BbaC2a2C8aF5320D9EEC","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0xd0601CE157Db5bdC3162BbaC2a2C8aF5320D9EEC","totalSupply()"],"raw_result":"Some(\"90148061024320000000000\")","result_hash":"383fa8ab5095698afa27dd9ee3d17aff99f82a8ac4bf884b0885030b16a6fe8b","slot":null},{"block":null,"method":"eth_call","params":["0xd0601CE157Db5bdC3162BbaC2a2C8aF5320D9EEC","uiMultiplier()"],"raw_result":"1000775159164630595","result_hash":"52e5ec7fbc2c3245d93278c80d04f4f9d203a2a2284a006b4b2e708b84182d87","slot":null},{"block":null,"method":"eth_getCode","params":["0xd0601CE157Db5bdC3162BbaC2a2C8aF5320D9EEC","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null},{"block":null,"method":"eth_getCode","params":["0xd0601CE157Db5bdC3162BbaC2a2C8aF5320D9EEC","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null}],"registry_entry":{"chain":"robinhood","contract":"0xd0601CE157Db5bdC3162BbaC2a2C8aF5320D9EEC","decimals":18,"issuer":"Robinhood","last_checked":"2026-10-18T09:47:33Z","name":"NVIDIA","official_deployments":[{"address":"0xd0601CE157Db5bdC3162BbaC2a2C8aF5320D9EEC","network":"Robinhood Chain"}],"source":"robinhood-registry","source_url":"https://api.robinhood.com/rhj/assets","ticker":"NVDA"},"registry_hash":"3143486c8ed17e52c07540b096bdf4ef50abfca368b23311d9290e9923561570","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0x40ea3e3A6aB2A95F35fD26BCD227AE1F0D5A58Cc","ticker":"NVDA","verdict":{"Verified":{"issuer":"Robinhood","ticker":"NVDA"}},"version":1}
Signature
KfRrmjiN8oleLBCzIHhUkd0XSCnb0NCHT3y3enP3Z4wp/E588IhhvRHXn/MyTr6+lIAatrEYne+1bQWPDY9eDQ==
API call
GET /api/attest/8dd4b48e86d45573bc668b79ff499a7a649d95d8448bb148228c36a460decd82
  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.