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QED certificate

QED record ca7f7b916bda from . View the live pool page.

Verified · Robinhood XNDU

Does XNDU / MM match its issuer's published contract?

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

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
XNDU / MM · Robinhood Chain
Pool address
0x0a1c78d081e7191077579909ce2ac988a4964803407f0e6cfc849a124461ef20
Issuer match
Robinhood · XNDU · View XNDU contracts
Checked
Valid until
Serial
ca7f7b916bda
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.

2.79% 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":94286302,"chain":"robinhood","checked_at":"2026-10-21T12:35:20Z","dev":false,"expires_at":"2026-10-22T12:35:20Z","issuer":"Robinhood","pool":{"base":{"address":"0x835f8Dc4dE4684ee10DD0fb1E1656B6e065bA104","balance":"19762338946460999085984","decimals":18,"symbol":"MM"},"chain":"robinhood","dex":"uniswap-v4","pool":"0x0a1c78d081e7191077579909ce2ac988a4964803407f0e6cfc849a124461ef20","quote":{"address":"0xA8eB3BCcbf2017eE7CBfb652eB51CF2E1B153289","balance":"52552624089877148883","decimals":18,"symbol":"XNDU"}},"quote_share_of_supply":0.027879376175001143,"reads":[{"block":null,"method":"eth_call","params":["0x58daec3116aae6d93017baaea7749052e8a04fa7","poolKeys","0x0a1c78d081e7191077579909ce2ac988a4964803407f0e6cfc"],"raw_result":"Object {\"currency0\": String(\"0x835f8dc4de4684ee10dd0fb1e1656b6e065ba104\"), \"currency1\": String(\"0xa8eb3bccbf2017ee7cbfb652eb51cf2e1b153289\"), \"fee\": String(\"994000\"), \"hooks\": String(\"0x0000000000000000000000000000000000000000\"), \"tickSpacing\": String(\"9940\")}","result_hash":"10e3aabc0c46863416a084d4cd23e2f72ce1184d5ab6e8410a4f73451be8f2e4","slot":null},{"block":null,"method":"eth_call","params":["0xf3334192d15450cdd385c8b70e03f9a6bd9e673b","getSlot0","0x0a1c78d081e7191077579909ce2ac988a4964803407f0e6cfc849a124461ef20"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0xf3334192d15450cdd385c8b70e03f9a6bd9e673b","getLiquidity","0x0a1c78d081e7191077579909ce2ac988a4964803407f0e6cfc849a124461ef20"],"raw_result":"1019098999013395015813","result_hash":"d750ea8bcdc9722960c45e1f928fa5cff5260eb8a3f446e05c4d7177c6b9da72","slot":null},{"block":null,"method":"eth_call","params":["0x835f8Dc4dE4684ee10DD0fb1E1656B6e065bA104","symbol()"],"raw_result":"Some(\"MM\")","result_hash":"8ce8d0f73c10b572b923d88f7aadc67ed07507ebc92fd8230dfdf83c6e17ae98","slot":null},{"block":null,"method":"eth_call","params":["0x835f8Dc4dE4684ee10DD0fb1E1656B6e065bA104","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0xA8eB3BCcbf2017eE7CBfb652eB51CF2E1B153289","symbol()"],"raw_result":"Some(\"XNDU\")","result_hash":"fa9a1a3e6a53986a2e107928d29eebce78b430093b629a31e76ae3eb7af8258b","slot":null},{"block":null,"method":"eth_call","params":["0xA8eB3BCcbf2017eE7CBfb652eB51CF2E1B153289","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":94286302,"method":"eth_blockNumber","params":[],"result_hash":"65610124f91ee188441cddef4de761a12902a33db202d534595207c1dfdc538e","slot":null},{"block":null,"method":"eth_call","params":["0x835f8Dc4dE4684ee10DD0fb1E1656B6e065bA104","symbol()"],"raw_result":"Some(\"MM\")","result_hash":"8ce8d0f73c10b572b923d88f7aadc67ed07507ebc92fd8230dfdf83c6e17ae98","slot":null},{"block":null,"method":"eth_call","params":["0x835f8Dc4dE4684ee10DD0fb1E1656B6e065bA104","name()"],"raw_result":"Some(\"mmm\")","result_hash":"ff9f37ab7bc6d2cbd5780ae07291abdc25b48f7a4b4e4801eb7cf384993440fb","slot":null},{"block":null,"method":"eth_call","params":["0x835f8Dc4dE4684ee10DD0fb1E1656B6e065bA104","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x835f8Dc4dE4684ee10DD0fb1E1656B6e065bA104","totalSupply()"],"raw_result":"Some(\"1000000000000000000000000000\")","result_hash":"9a5063c327faec672db6b50450571675cbfbcc3766ebaf6832c3a9f6636ff4d0","slot":null},{"block":null,"method":"eth_call","params":["0xA8eB3BCcbf2017eE7CBfb652eB51CF2E1B153289","symbol()"],"raw_result":"Some(\"XNDU\")","result_hash":"fa9a1a3e6a53986a2e107928d29eebce78b430093b629a31e76ae3eb7af8258b","slot":null},{"block":null,"method":"eth_call","params":["0xA8eB3BCcbf2017eE7CBfb652eB51CF2E1B153289","name()"],"raw_result":"Some(\"Xanadu Quantum • Robinhood Token\")","result_hash":"283a1b0793312e03f2c3eee3afa479ab6da45f7c06fbab5dff305611f2819dae","slot":null},{"block":null,"method":"eth_call","params":["0xA8eB3BCcbf2017eE7CBfb652eB51CF2E1B153289","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0xA8eB3BCcbf2017eE7CBfb652eB51CF2E1B153289","totalSupply()"],"raw_result":"Some(\"1885000000000000000000\")","result_hash":"2529563ffcbdc02ca44032771087773e98da0c0a146dfe9545c77b7b8703be43","slot":null},{"block":null,"method":"eth_call","params":["0xA8eB3BCcbf2017eE7CBfb652eB51CF2E1B153289","uiMultiplier()"],"raw_result":"1000000000000000000","result_hash":"46754a2491051f216577f1b9f19516f9be1a28c62f023dcbabd8c5317cdefe4b","slot":null},{"block":null,"method":"eth_getCode","params":["0xA8eB3BCcbf2017eE7CBfb652eB51CF2E1B153289","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null},{"block":null,"method":"eth_getCode","params":["0xA8eB3BCcbf2017eE7CBfb652eB51CF2E1B153289","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null}],"registry_entry":{"chain":"robinhood","contract":"0xA8eB3BCcbf2017eE7CBfb652eB51CF2E1B153289","decimals":18,"issuer":"Robinhood","last_checked":"2026-10-21T11:40:19Z","name":"Xanadu Quantum","official_deployments":[{"address":"0xA8eB3BCcbf2017eE7CBfb652eB51CF2E1B153289","network":"Robinhood Chain"}],"source":"robinhood-registry","source_url":"https://api.robinhood.com/rhj/assets","ticker":"XNDU"},"registry_hash":"93152e39c695658a34c9bda84906234fcad15c3b04c297499cf30850c38509bd","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0x0a1c78d081e7191077579909ce2ac988a4964803407f0e6cfc849a124461ef20","ticker":"XNDU","verdict":{"Verified":{"issuer":"Robinhood","ticker":"XNDU"}},"version":1}
Signature
MKzre4ilWZ7Me/In460zafqkgJ/B2SY7jM3b07GBM6ORc6Q0YdYOwcTJCbOuqSS7f3I0mAckQR4yzt9StHsNBA==
API call
GET /api/attest/ca7f7b916bda0d002afc3c37de3a4ce193c320340d952ad2f0592bf947c5a44c
  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.