QED
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QED certificate

QED record c2ef02d3f3d1 from . View the live pool page.

Verified · Robinhood QBTS

Does QBTS / MJDQ match its issuer's published contract?

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

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
QBTS / MJDQ · Robinhood Chain
Pool address
0xcaff77641bb66617bd81f2a6b2f39d3ee812d9eb507cf814b2850f556be15915
Issuer match
Robinhood · QBTS · View QBTS contracts
Checked
Valid until
Serial
c2ef02d3f3d1
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.

n/a 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":98329405,"chain":"robinhood","checked_at":"2026-10-26T10:04:20Z","dev":false,"expires_at":"2026-10-27T10:04:20Z","issuer":"Robinhood","pool":{"base":{"address":"0x124597e2d8BBe472825C4918a36DE246Ed0C92f7","balance":"9525886209670333256401","decimals":18,"symbol":"MJDQ"},"chain":"robinhood","dex":"uniswap-v4","pool":"0xcaff77641bb66617bd81f2a6b2f39d3ee812d9eb507cf814b2850f556be15915","quote":{"address":"0xC583c60aeF9Dc401Da72cEC1B404743a93cea1Cc","balance":"705599290313668840812","decimals":18,"symbol":"QBTS"}},"quote_share_of_supply":null,"reads":[{"block":null,"method":"eth_call","params":["0x58daec3116aae6d93017baaea7749052e8a04fa7","poolKeys","0xcaff77641bb66617bd81f2a6b2f39d3ee812d9eb507cf814b2"],"raw_result":"Object {\"currency0\": String(\"0x124597e2d8bbe472825c4918a36de246ed0c92f7\"), \"currency1\": String(\"0xc583c60aef9dc401da72cec1b404743a93cea1cc\"), \"fee\": String(\"297989\"), \"hooks\": String(\"0x0000000000000000000000000000000000000000\"), \"tickSpacing\": String(\"60\")}","result_hash":"01c3468df19be9e45426d8762ae6d7c0c7e36485a819d6ffc9c73c3deb968936","slot":null},{"block":null,"method":"eth_call","params":["0xf3334192d15450cdd385c8b70e03f9a6bd9e673b","getSlot0","0xcaff77641bb66617bd81f2a6b2f39d3ee812d9eb507cf814b2850f556be15915"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0xf3334192d15450cdd385c8b70e03f9a6bd9e673b","getLiquidity","0xcaff77641bb66617bd81f2a6b2f39d3ee812d9eb507cf814b2850f556be15915"],"raw_result":"2592577587875076876748","result_hash":"e90c70367e241850ac55fff178ed26c615b157b745e118a86bc8e7ed777d1ac0","slot":null},{"block":null,"method":"eth_call","params":["0x124597e2d8BBe472825C4918a36DE246Ed0C92f7","symbol()"],"raw_result":"Some(\"MJDQ\")","result_hash":"77622286ccd6eab4d47c7ec38a3194e6108ad670192bc87d5dd440c9a37b7ef0","slot":null},{"block":null,"method":"eth_call","params":["0x124597e2d8BBe472825C4918a36DE246Ed0C92f7","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0xC583c60aeF9Dc401Da72cEC1B404743a93cea1Cc","symbol()"],"raw_result":"Some(\"QBTS\")","result_hash":"2d55889247f95edc8aca1d6527443a5b0b67d5ad56f5d9791f6bb33fed556f36","slot":null},{"block":null,"method":"eth_call","params":["0xC583c60aeF9Dc401Da72cEC1B404743a93cea1Cc","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":98329405,"method":"eth_blockNumber","params":[],"result_hash":"06c5b53b6a2a7416c34d28942b3b283a48790bf948ee96755e7d2f8e3803f6c7","slot":null},{"block":null,"method":"eth_call","params":["0x124597e2d8BBe472825C4918a36DE246Ed0C92f7","symbol()"],"raw_result":"Some(\"MJDQ\")","result_hash":"77622286ccd6eab4d47c7ec38a3194e6108ad670192bc87d5dd440c9a37b7ef0","slot":null},{"block":null,"method":"eth_call","params":["0x124597e2d8BBe472825C4918a36DE246Ed0C92f7","name()"],"raw_result":"Some(\"MJDQ\")","result_hash":"77622286ccd6eab4d47c7ec38a3194e6108ad670192bc87d5dd440c9a37b7ef0","slot":null},{"block":null,"method":"eth_call","params":["0x124597e2d8BBe472825C4918a36DE246Ed0C92f7","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x124597e2d8BBe472825C4918a36DE246Ed0C92f7","totalSupply()"],"raw_result":"Some(\"1000000000000000000000000000\")","result_hash":"9a5063c327faec672db6b50450571675cbfbcc3766ebaf6832c3a9f6636ff4d0","slot":null},{"block":null,"method":"eth_call","params":["0xC583c60aeF9Dc401Da72cEC1B404743a93cea1Cc","symbol()"],"raw_result":"Some(\"QBTS\")","result_hash":"2d55889247f95edc8aca1d6527443a5b0b67d5ad56f5d9791f6bb33fed556f36","slot":null},{"block":null,"method":"eth_call","params":["0xC583c60aeF9Dc401Da72cEC1B404743a93cea1Cc","name()"],"raw_result":"Some(\"D-Wave Quantum Inc. Common Stock • Robinhood Token\")","result_hash":"34d922804ffec24374f12f27912a9c0648c19593c46d0a07f90a8df6f6adf988","slot":null},{"block":null,"method":"eth_call","params":["0xC583c60aeF9Dc401Da72cEC1B404743a93cea1Cc","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0xC583c60aeF9Dc401Da72cEC1B404743a93cea1Cc","totalSupply()"],"raw_result":"Some(\"557845000000000000000\")","result_hash":"2f317c73a6a20c09aa20a4361d4646698a043e7d22dceb9596e941fc5791d172","slot":null},{"block":null,"method":"eth_call","params":["0xC583c60aeF9Dc401Da72cEC1B404743a93cea1Cc","uiMultiplier()"],"raw_result":"1000000000000000000","result_hash":"46754a2491051f216577f1b9f19516f9be1a28c62f023dcbabd8c5317cdefe4b","slot":null},{"block":null,"method":"eth_getCode","params":["0xC583c60aeF9Dc401Da72cEC1B404743a93cea1Cc","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null},{"block":null,"method":"eth_getCode","params":["0xC583c60aeF9Dc401Da72cEC1B404743a93cea1Cc","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null}],"registry_entry":{"chain":"robinhood","contract":"0xC583c60aeF9Dc401Da72cEC1B404743a93cea1Cc","decimals":18,"issuer":"Robinhood","last_checked":"2026-10-26T09:07:31Z","name":"D-Wave Quantum Inc. Common Stock","official_deployments":[{"address":"0xC583c60aeF9Dc401Da72cEC1B404743a93cea1Cc","network":"Robinhood Chain"}],"source":"robinhood-registry","source_url":"https://api.robinhood.com/rhj/assets","ticker":"QBTS"},"registry_hash":"b564a743a26f63e74dc8a272d41fc06d014f9b4d9ec09e202c38ab32066bed6f","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0xcaff77641bb66617bd81f2a6b2f39d3ee812d9eb507cf814b2850f556be15915","ticker":"QBTS","verdict":{"Verified":{"issuer":"Robinhood","ticker":"QBTS"}},"version":1}
Signature
itjHtoesxAzZQc1O+HaGovLkOUJX97hoM2vREjNB15Q1l5jyFiuxyd+sVpxHxKnDMOM7LNRwBe7yry7ltnkIDg==
API call
GET /api/attest/c2ef02d3f3d19df32bbc64177691850465b40ae428e232dbec0720621fce546b
  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.