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QED certificate

QED record fef690553f51 from . View the live pool page.

Verified · Robinhood SMCI

Does SMCI / USDG match its issuer's published contract?

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

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 ramses-v3
Subject
SMCI / USDG · Robinhood Chain
Pool address
0x85664e8E308f6a936494768C9F4dbaA7b6D299A8
Issuer match
Robinhood · SMCI · View SMCI contracts
Checked
Valid until
Serial
fef690553f51
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.

41.79% 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":91899215,"chain":"robinhood","checked_at":"2026-10-18T16:08:11Z","dev":false,"expires_at":"2026-10-19T16:08:11Z","issuer":"Robinhood","pool":{"base":{"address":"0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","balance":"3465340621","decimals":6,"symbol":"USDG"},"chain":"robinhood","dex":"ramses-v3","pool":"0x85664e8E308f6a936494768C9F4dbaA7b6D299A8","quote":{"address":"0xc01aA1fECeC0605b13bc84874ff7256C0f5F562a","balance":"185440078597899504108","decimals":18,"symbol":"SMCI"}},"quote_share_of_supply":0.417914136525395,"reads":[{"block":91899215,"method":"eth_blockNumber","params":[],"result_hash":"b7419969482cf5fc23fb3f360de8ab845a836cae30312eb897a1a7e3fe036e91","slot":null},{"block":null,"method":"eth_call","params":["0x85664e8E308f6a936494768C9F4dbaA7b6D299A8","token0()"],"raw_result":"0x5fc5360d0400a0fd4f2af552add042d716f1d168","result_hash":"742eb919f060d78d6f55d9d90c592b8d91ea7358553fc7e37cb579cf21192137","slot":null},{"block":null,"method":"eth_call","params":["0x85664e8E308f6a936494768C9F4dbaA7b6D299A8","token1()"],"raw_result":"0xc01aa1fecec0605b13bc84874ff7256c0f5f562a","result_hash":"ccd792daa6d056c50a24382cc03c9a878745370223b235e67606446f2ebd2a5b","slot":null},{"block":null,"method":"eth_call","params":["0x85664e8E308f6a936494768C9F4dbaA7b6D299A8","getReserves()"],"raw_result":"false","result_hash":"076de6e730df0b4c3860877a0f619c6ac11f8aefd78313ac793a2a703c026869","slot":null},{"block":null,"method":"eth_call","params":["0x85664e8E308f6a936494768C9F4dbaA7b6D299A8","slot0()"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0x85664e8E308f6a936494768C9F4dbaA7b6D299A8","factory()"],"raw_result":"0xe0c4ceb92d08ca985bb70fe0a22feb121a9854a8","result_hash":"3acd97ac868973fcda20afc787b251dff09968890029c0107e8fa1018dc5cca8","slot":null},{"block":null,"method":"eth_call","params":["0x85664e8E308f6a936494768C9F4dbaA7b6D299A8","tickSpacing()"],"raw_result":"200","result_hash":"cad9e1bcc89d0640e1379437b9c9a8b021e7411c515b53a15d89f8439dafedf0","slot":null},{"block":null,"method":"eth_call","params":["0xE0c4ceb92d08CA985bB70fe0a22fEb121A9854A8","getPool","0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","0xc01aA1fECeC0605b13bc84874ff7256C0f5F562a","200"],"raw_result":"0x85664e8e308f6a936494768c9f4dbaa7b6d299a8","result_hash":"d1116a65ad093714896fcb6e4a6bc43216bdfe8222c911e6d044ad465fa80a35","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":["0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","balanceOf","0x85664e8E308f6a936494768C9F4dbaA7b6D299A8"],"raw_result":"Some(\"3465340621\")","result_hash":"96111d564b8735eb671677bc613865cc933edf2ce98d4717f7db9b368e5c3d8f","slot":null},{"block":null,"method":"eth_call","params":["0xc01aA1fECeC0605b13bc84874ff7256C0f5F562a","symbol()"],"raw_result":"Some(\"SMCI\")","result_hash":"650708a4b6ac6ed1900120388a4ad61f051b0d29e163daea7a477b80a6735142","slot":null},{"block":null,"method":"eth_call","params":["0xc01aA1fECeC0605b13bc84874ff7256C0f5F562a","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0xc01aA1fECeC0605b13bc84874ff7256C0f5F562a","balanceOf","0x85664e8E308f6a936494768C9F4dbaA7b6D299A8"],"raw_result":"Some(\"185440078597899504108\")","result_hash":"45aeeeeb4b5f185dc2b7cbbe08c1dff9a7a93a68e02a4cb2286ae9c27a89ed18","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(\"696780276174599\")","result_hash":"c7ce061585956682a5202683b0b90c38301e136eef84dda80c269326a2d3ed55","slot":null},{"block":null,"method":"eth_call","params":["0xc01aA1fECeC0605b13bc84874ff7256C0f5F562a","symbol()"],"raw_result":"Some(\"SMCI\")","result_hash":"650708a4b6ac6ed1900120388a4ad61f051b0d29e163daea7a477b80a6735142","slot":null},{"block":null,"method":"eth_call","params":["0xc01aA1fECeC0605b13bc84874ff7256C0f5F562a","name()"],"raw_result":"Some(\"Super Micro Computer • Robinhood Token\")","result_hash":"edd55e4b529d043ab757e98c5f2c148e19a6d2b93fad83021ae987bb6fbc834c","slot":null},{"block":null,"method":"eth_call","params":["0xc01aA1fECeC0605b13bc84874ff7256C0f5F562a","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0xc01aA1fECeC0605b13bc84874ff7256C0f5F562a","totalSupply()"],"raw_result":"Some(\"443727700000000000000\")","result_hash":"5adb40bd4c2b527c95fd96e4c63f2edb2721afe136542cb88247cd26d390d0d9","slot":null},{"block":null,"method":"eth_call","params":["0xc01aA1fECeC0605b13bc84874ff7256C0f5F562a","uiMultiplier()"],"raw_result":"1000000000000000000","result_hash":"46754a2491051f216577f1b9f19516f9be1a28c62f023dcbabd8c5317cdefe4b","slot":null},{"block":null,"method":"eth_getCode","params":["0xc01aA1fECeC0605b13bc84874ff7256C0f5F562a","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null},{"block":null,"method":"eth_getCode","params":["0xc01aA1fECeC0605b13bc84874ff7256C0f5F562a","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null}],"registry_entry":{"chain":"robinhood","contract":"0xc01aA1fECeC0605b13bc84874ff7256C0f5F562a","decimals":18,"issuer":"Robinhood","last_checked":"2026-10-18T15:47:33Z","name":"Super Micro Computer","official_deployments":[{"address":"0xc01aA1fECeC0605b13bc84874ff7256C0f5F562a","network":"Robinhood Chain"}],"source":"robinhood-registry","source_url":"https://api.robinhood.com/rhj/assets","ticker":"SMCI"},"registry_hash":"2bf13ff4020924ba1c74d8e732c3dd1609679a3b9a6dc8a796250beb0ae1b589","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0x85664e8E308f6a936494768C9F4dbaA7b6D299A8","ticker":"SMCI","verdict":{"Verified":{"issuer":"Robinhood","ticker":"SMCI"}},"version":1}
Signature
Q8DbRctMeB6sQQiI6MkUrEkZE/inkZbCS6NVccu2J5Jx1QtPF4m9UcNJdS3SbreSlPoBTwqi3KwGq3OfbaVSCg==
API call
GET /api/attest/fef690553f51b9f2736d25fe63f024c08e88adfa138ed60be82bba1cec9f2a6f
  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.