QED
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QED certificate

QED record 6c67b8f79b87 from . View the live pool page.

Verified · Ondo BLKGRW

Does BLKGRWon / UDS match its issuer's published contract?

The pool's quote contract matches Ondo's registry entry for BLKGRW.

Verified means the observed quote-token contract matches an issuer-published registry entry on Ethereum. Only the quote-side contract is checked.

This does not prove backing, custody, reserves, price, safety, solvency, or endorsement.

Signature valid · contract match

Ethereum Uniswap v4
Subject
BLKGRWon / UDS · Ethereum
Pool address
0x4442b591fc735ddfd0c2184707d65ab308887c55a590d94d7591705c586a57c1
Issuer match
Ondo · BLKGRW · View BLKGRW contracts
Checked
Valid until
Serial
6c67b8f79b87
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":26251649,"chain":"ethereum","checked_at":"2026-10-23T00:09:52Z","dev":false,"expires_at":"2026-10-24T00:09:52Z","issuer":"Ondo","pool":{"base":{"address":"0x2162FDb116bc95d85b898BdAE77e053eF0C36eAA","balance":"296832644724574880908","decimals":18,"symbol":"UDS"},"chain":"ethereum","dex":"uniswap-v4","pool":"0x4442b591fc735ddfd0c2184707d65ab308887c55a590d94d7591705c586a57c1","quote":{"address":"0xc90341Cb9cb8D65AF044FaB23b659b7b4279399B","balance":"74773717314743690890","decimals":18,"symbol":"BLKGRWon"}},"quote_share_of_supply":0.000054847865107962065,"reads":[{"block":null,"method":"eth_call","params":["0xbd216513d74c8cf14cf4747e6aaa6420ff64ee9e","poolKeys","0x4442b591fc735ddfd0c2184707d65ab308887c55a590d94d75"],"raw_result":"Object {\"currency0\": String(\"0x2162fdb116bc95d85b898bdae77e053ef0c36eaa\"), \"currency1\": String(\"0xc90341cb9cb8d65af044fab23b659b7b4279399b\"), \"fee\": String(\"200000\"), \"hooks\": String(\"0x0000000000000000000000000000000000000000\"), \"tickSpacing\": String(\"2000\")}","result_hash":"7f4ead4b2351f4256b5d569ee698c457c504709ce3b7c588f75ebe41513e0ed2","slot":null},{"block":null,"method":"eth_call","params":["0x7ffe42c4a5deea5b0fec41c94c136cf115597227","getSlot0","0x4442b591fc735ddfd0c2184707d65ab308887c55a590d94d7591705c586a57c1"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0x7ffe42c4a5deea5b0fec41c94c136cf115597227","getLiquidity","0x4442b591fc735ddfd0c2184707d65ab308887c55a590d94d7591705c586a57c1"],"raw_result":"148980805026765469105","result_hash":"1741801aceee337a73448e6c4afff16123f066bcc60dfac9d8827c4fa6a8c8a5","slot":null},{"block":null,"method":"eth_call","params":["0x2162FDb116bc95d85b898BdAE77e053eF0C36eAA","symbol()"],"raw_result":"Some(\"UDS\")","result_hash":"2c14e7c075eb8a00642631fde3ab87ede055000cee69e89598dccfade4c11e41","slot":null},{"block":null,"method":"eth_call","params":["0x2162FDb116bc95d85b898BdAE77e053eF0C36eAA","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0xc90341Cb9cb8D65AF044FaB23b659b7b4279399B","symbol()"],"raw_result":"Some(\"BLKGRWon\")","result_hash":"59aa810d4233ee03ec966814d340f2f6b2c906b1eaa0d530d899a578c6f2f028","slot":null},{"block":null,"method":"eth_call","params":["0xc90341Cb9cb8D65AF044FaB23b659b7b4279399B","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":26251649,"method":"eth_blockNumber","params":[],"result_hash":"cf3e2ddb47ddfadc116d33c8251ccfc62e581517af685dfac38c6e02fd40d982","slot":null},{"block":null,"method":"eth_call","params":["0x2162FDb116bc95d85b898BdAE77e053eF0C36eAA","symbol()"],"raw_result":"Some(\"UDS\")","result_hash":"2c14e7c075eb8a00642631fde3ab87ede055000cee69e89598dccfade4c11e41","slot":null},{"block":null,"method":"eth_call","params":["0x2162FDb116bc95d85b898BdAE77e053eF0C36eAA","name()"],"raw_result":"Some(\"Uds My\")","result_hash":"cba9701721a52d21dfbe2b38e11a9a6c9f6386973dbdf6be136ef8464ff28a48","slot":null},{"block":null,"method":"eth_call","params":["0x2162FDb116bc95d85b898BdAE77e053eF0C36eAA","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x2162FDb116bc95d85b898BdAE77e053eF0C36eAA","totalSupply()"],"raw_result":"Some(\"10000000000000000000000000\")","result_hash":"b1ad9e97341fa8bfcff35922c984d71a77ade48980cbc8ed981d08aa36c9953f","slot":null},{"block":null,"method":"eth_call","params":["0xc90341Cb9cb8D65AF044FaB23b659b7b4279399B","symbol()"],"raw_result":"Some(\"BLKGRWon\")","result_hash":"59aa810d4233ee03ec966814d340f2f6b2c906b1eaa0d530d899a578c6f2f028","slot":null},{"block":null,"method":"eth_call","params":["0xc90341Cb9cb8D65AF044FaB23b659b7b4279399B","name()"],"raw_result":"Some(\"Ondo High Growth Powered by BlackRock\")","result_hash":"cbc2ffbdf0ceed7b75849f6b691ce9d875d68a97ef55b3e83600bdc9a0d6d525","slot":null},{"block":null,"method":"eth_call","params":["0xc90341Cb9cb8D65AF044FaB23b659b7b4279399B","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0xc90341Cb9cb8D65AF044FaB23b659b7b4279399B","totalSupply()"],"raw_result":"Some(\"1363293123033316957466924\")","result_hash":"56a973ef3ef2cc4961d5075dfc376a4995823ee85764cece825163a7d0e0e449","slot":null},{"block":null,"method":"eth_getCode","params":["0xc90341Cb9cb8D65AF044FaB23b659b7b4279399B","latest"],"result_hash":"941b940513f65aca9340a0705a1e43b9da3122bb8d7e6d254277c77c8e9de752","slot":null},{"block":null,"method":"eth_getCode","params":["0xc90341Cb9cb8D65AF044FaB23b659b7b4279399B","latest"],"result_hash":"941b940513f65aca9340a0705a1e43b9da3122bb8d7e6d254277c77c8e9de752","slot":null}],"registry_entry":{"chain":"ethereum","contract":"0xc90341Cb9cb8D65AF044FaB23b659b7b4279399B","decimals":null,"issuer":"Ondo","last_checked":"2026-10-22T20:11:46Z","name":"Ondo High Growth Powered by BlackRock","official_deployments":[{"address":"0xc90341Cb9cb8D65AF044FaB23b659b7b4279399B","network":"Ethereum"},{"address":"0xE4Bd77247671746CaA3119E9FEAA146F8a4EE237","network":"BNB Chain"},{"address":"qr13tSwtPWKTgYQqf6XM8YoT5LrbFgacpVUupfEondo","network":"Solana"}],"source":"https://docs.ondo.finance/addresses.md","source_url":"https://www.dropbox.com/scl/fi/qjfxyg748mx0dwi6up86d/EXTERNAL-Ondo-GM-Tokens-Ondo-GM-Tokens.csv?rlkey=n3no1w78wrah3umsl0nr9s77i&e=2&st=spdit2q1&dl=1","ticker":"BLKGRW"},"registry_hash":"5c2591ca66e2f3d06ca2377ee261f59527121621c526f9451ade5c86376ebd1d","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0x4442b591fc735ddfd0c2184707d65ab308887c55a590d94d7591705c586a57c1","ticker":"BLKGRW","verdict":{"Verified":{"issuer":"Ondo","ticker":"BLKGRW"}},"version":1}
Signature
8gveaFdoFh2jWYFSMaiKCOZ5q04F4y+9quAlv2dLdObHWPQoimSF5RqCVFUOnZlqJG6IXqM9NnJLjZ3307aUAw==
API call
GET /api/attest/6c67b8f79b8790dad0f4aba674650f0b63d3ace6196d2ad717917a2cc9ce737c
  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.