QED
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QED certificate

QED record d3c16276243d from . View the live pool page.

Verified · Robinhood XNDU

Does XNDU / USDG 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 / USDG · Robinhood Chain
Pool address
0x18502289dd37db0c0026b8099cf3a2018d70679120d1178eab5b1434bdeafae4
Issuer match
Robinhood · XNDU · View XNDU contracts
Checked
Valid until
Serial
d3c16276243d
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.

4.83% 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":92942602,"chain":"robinhood","checked_at":"2026-10-19T21:45:28Z","dev":false,"expires_at":"2026-10-20T21:45:28Z","issuer":"Robinhood","pool":{"base":{"address":"0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","balance":"264218378","decimals":6,"symbol":"USDG"},"chain":"robinhood","dex":"uniswap-v4","pool":"0x18502289dd37db0c0026b8099cf3a2018d70679120d1178eab5b1434bdeafae4","quote":{"address":"0xA8eB3BCcbf2017eE7CBfb652eB51CF2E1B153289","balance":"91093487572376426467","decimals":18,"symbol":"XNDU"}},"quote_share_of_supply":0.04832545759807768,"reads":[{"block":null,"method":"eth_call","params":["0x58daec3116aae6d93017baaea7749052e8a04fa7","poolKeys","0x18502289dd37db0c0026b8099cf3a2018d70679120d1178eab"],"raw_result":"Object {\"currency0\": String(\"0x5fc5360d0400a0fd4f2af552add042d716f1d168\"), \"currency1\": String(\"0xa8eb3bccbf2017ee7cbfb652eb51cf2e1b153289\"), \"fee\": String(\"50000\"), \"hooks\": String(\"0x0000000000000000000000000000000000000000\"), \"tickSpacing\": String(\"500\")}","result_hash":"38014aaf5d6cb81f0fd4177025a81d6751512af7555691ddd1b09e41e638a5e7","slot":null},{"block":null,"method":"eth_call","params":["0xf3334192d15450cdd385c8b70e03f9a6bd9e673b","getSlot0","0x18502289dd37db0c0026b8099cf3a2018d70679120d1178eab5b1434bdeafae4"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0xf3334192d15450cdd385c8b70e03f9a6bd9e673b","getLiquidity","0x18502289dd37db0c0026b8099cf3a2018d70679120d1178eab5b1434bdeafae4"],"raw_result":"155140496392760","result_hash":"0db919dc67d500f54c088ef57c5527bae63158aa3832700104d68b1bd77bd802","slot":null},{"block":null,"method":"eth_call","params":["0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","symbol()"],"raw_result":"Some(\"USDG\")","result_hash":"5cbfd9547b12ffd28d96e5f55c97290c4f230a8d7ad7bbe91dc15f2e61c1a3c5","slot":null},{"block":null,"method":"eth_call","params":["0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","decimals()"],"raw_result":"Some(6)","result_hash":"c68fe6989b1835302197d0af5be845dfab10ed9f9632205eb4ab5b949b9e1a6a","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":92942602,"method":"eth_blockNumber","params":[],"result_hash":"f2742026e99c1bc443fa4af393154d4fd33a76640d342e44f4314cd26cefef47","slot":null},{"block":null,"method":"eth_call","params":["0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","symbol()"],"raw_result":"Some(\"USDG\")","result_hash":"5cbfd9547b12ffd28d96e5f55c97290c4f230a8d7ad7bbe91dc15f2e61c1a3c5","slot":null},{"block":null,"method":"eth_call","params":["0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","name()"],"raw_result":"Some(\"Global Dollar\")","result_hash":"e34c795a5a7df6a2269bde7247321204357731d7742ef5974b04eb6899db8b11","slot":null},{"block":null,"method":"eth_call","params":["0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","decimals()"],"raw_result":"Some(6)","result_hash":"c68fe6989b1835302197d0af5be845dfab10ed9f9632205eb4ab5b949b9e1a6a","slot":null},{"block":null,"method":"eth_call","params":["0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","totalSupply()"],"raw_result":"Some(\"702035807528044\")","result_hash":"0c8d3c2ec6a371424e18d4131cec9c15c8bdc569eceaf86e49862b8996ec4ce5","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":"2026-10-19T21:40:19Z","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":"37f76e783440d042a6ba377568afbebcf983880e6cc47a429b6670672394702e","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0x18502289dd37db0c0026b8099cf3a2018d70679120d1178eab5b1434bdeafae4","ticker":"XNDU","verdict":{"Verified":{"issuer":"Robinhood","ticker":"XNDU"}},"version":1}
Signature
XZmGha36Yp6MTr3X4bBcuAk82Di0O3fDs5pJSvFXQ8L9Kr+WjtIsUH9gYQ/T8doqOfnpnl9MurHEZNKZUmn2BQ==
API call
GET /api/attest/d3c16276243d9ae2e16a9988c7730ee7944287456c94bb1688297587dc4f968c
  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.