QED
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QED certificate

QED record 017411894d9a from . View the live pool page.

Verified · Ondo BLKHI

Does BLKHIon / USDC match its issuer's published contract?

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

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
BLKHIon / USDC · Ethereum
Pool address
0x850d010d45dadb1a9441ed44809e285ba7176c95fb061e714c32c7a244d78b22
Issuer match
Ondo · BLKHI · View BLKHI contracts
Checked
Valid until
Serial
017411894d9a
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.

0.00% 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":26257255,"chain":"ethereum","checked_at":"2026-10-23T18:55:44Z","dev":false,"expires_at":"2026-10-24T18:55:44Z","issuer":"Ondo","pool":{"base":{"address":"0x787769d6Fc857169F5243ef66d3f0a954149d3BA","balance":"0","decimals":18,"symbol":"BLKHIon"},"chain":"ethereum","dex":"uniswap-v4","pool":"0x850d010d45dadb1a9441ed44809e285ba7176c95fb061e714c32c7a244d78b22","quote":{"address":"0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","balance":"0","decimals":6,"symbol":"USDC"}},"quote_share_of_supply":0.0,"reads":[{"block":null,"method":"eth_call","params":["0xbd216513d74c8cf14cf4747e6aaa6420ff64ee9e","poolKeys","0x850d010d45dadb1a9441ed44809e285ba7176c95fb061e714c"],"raw_result":"Object {\"currency0\": String(\"0x787769d6fc857169f5243ef66d3f0a954149d3ba\"), \"currency1\": String(\"0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48\"), \"fee\": String(\"100000\"), \"hooks\": String(\"0x0000000000000000000000000000000000000000\"), \"tickSpacing\": String(\"1000\")}","result_hash":"e19a927f7a6a0e50bbd1e78a9d4790c9e67ca565ec75d21f04cdd989fd46704f","slot":null},{"block":null,"method":"eth_call","params":["0x7ffe42c4a5deea5b0fec41c94c136cf115597227","getSlot0","0x850d010d45dadb1a9441ed44809e285ba7176c95fb061e714c32c7a244d78b22"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0x7ffe42c4a5deea5b0fec41c94c136cf115597227","getLiquidity","0x850d010d45dadb1a9441ed44809e285ba7176c95fb061e714c32c7a244d78b22"],"raw_result":"0","result_hash":"98089e6d36f78e9766c9ea34d5acb3611f3a92cd81c5eb102095d924ffc7d08b","slot":null},{"block":null,"method":"eth_call","params":["0x787769d6Fc857169F5243ef66d3f0a954149d3BA","symbol()"],"raw_result":"Some(\"BLKHIon\")","result_hash":"1f3b10f2a51a7c51a7275a953265e11336e5db93b32b5ec38869546baf5069bb","slot":null},{"block":null,"method":"eth_call","params":["0x787769d6Fc857169F5243ef66d3f0a954149d3BA","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","symbol()"],"raw_result":"Some(\"USDC\")","result_hash":"a3c9e246b0832b52e41efce041d8614251f5e288cdd4b192e85bfd3dfcb748ff","slot":null},{"block":null,"method":"eth_call","params":["0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","decimals()"],"raw_result":"Some(6)","result_hash":"c68fe6989b1835302197d0af5be845dfab10ed9f9632205eb4ab5b949b9e1a6a","slot":null},{"block":26257255,"method":"eth_blockNumber","params":[],"result_hash":"af8412d6c2ee1fb60abb052088559f8615668af495c24b57f8523624221b2d45","slot":null},{"block":null,"method":"eth_call","params":["0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","symbol()"],"raw_result":"Some(\"USDC\")","result_hash":"a3c9e246b0832b52e41efce041d8614251f5e288cdd4b192e85bfd3dfcb748ff","slot":null},{"block":null,"method":"eth_call","params":["0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","name()"],"raw_result":"Some(\"USD Coin\")","result_hash":"fe94af15dc887a2c9df1fb0d6d276e6c586ca9d430ffeac0d05e4baee0637fd1","slot":null},{"block":null,"method":"eth_call","params":["0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","decimals()"],"raw_result":"Some(6)","result_hash":"c68fe6989b1835302197d0af5be845dfab10ed9f9632205eb4ab5b949b9e1a6a","slot":null},{"block":null,"method":"eth_call","params":["0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","totalSupply()"],"raw_result":"Some(\"47988978773018088\")","result_hash":"21040d8b303df9e6e8a2f9615ca46be79cb555c22a2e8533b86740668182baca","slot":null},{"block":null,"method":"eth_call","params":["0x787769d6Fc857169F5243ef66d3f0a954149d3BA","symbol()"],"raw_result":"Some(\"BLKHIon\")","result_hash":"1f3b10f2a51a7c51a7275a953265e11336e5db93b32b5ec38869546baf5069bb","slot":null},{"block":null,"method":"eth_call","params":["0x787769d6Fc857169F5243ef66d3f0a954149d3BA","name()"],"raw_result":"Some(\"Ondo High Income Powered by BlackRock\")","result_hash":"fdb62584b0628e867965e0e2ce4869cd32352f2f0b02d5f4e90a851ca716b9dd","slot":null},{"block":null,"method":"eth_call","params":["0x787769d6Fc857169F5243ef66d3f0a954149d3BA","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x787769d6Fc857169F5243ef66d3f0a954149d3BA","totalSupply()"],"raw_result":"Some(\"885970453531953164477437\")","result_hash":"99b811e1ed371d2931ea022a7571be6c2e81cdecb7e942279e3737f8bf529ba5","slot":null},{"block":null,"method":"eth_getCode","params":["0x787769d6Fc857169F5243ef66d3f0a954149d3BA","latest"],"result_hash":"941b940513f65aca9340a0705a1e43b9da3122bb8d7e6d254277c77c8e9de752","slot":null},{"block":null,"method":"eth_getCode","params":["0x787769d6Fc857169F5243ef66d3f0a954149d3BA","latest"],"result_hash":"941b940513f65aca9340a0705a1e43b9da3122bb8d7e6d254277c77c8e9de752","slot":null}],"registry_entry":{"chain":"ethereum","contract":"0x787769d6Fc857169F5243ef66d3f0a954149d3BA","decimals":null,"issuer":"Ondo","last_checked":"2026-10-22T20:11:46Z","name":"Ondo High Income Powered by BlackRock","official_deployments":[{"address":"0x787769d6Fc857169F5243ef66d3f0a954149d3BA","network":"Ethereum"},{"address":"0xf78155dC15B838b7577002bc53bBe1041cA48622","network":"BNB Chain"},{"address":"bBrSYBsz4GncqiyGzVL4aVrhbmWY3pFHdkxshTpondo","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":"BLKHI"},"registry_hash":"d3aaa1183f4120326f803d9fb1ab46c445a10027d23def1a059f9fee0befc5c8","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0x850d010d45dadb1a9441ed44809e285ba7176c95fb061e714c32c7a244d78b22","ticker":"BLKHI","verdict":{"Verified":{"issuer":"Ondo","ticker":"BLKHI"}},"version":1}
Signature
fgTBTNBK/SuhlAjFNy10FCyUkX7rceVWRJ1twiJyBpAqOKNcdxOEzYsksUzf889+F4Va+SihVwUGx4fFN8fPAw==
API call
GET /api/attest/017411894d9af49d30fd4e6c69287c344eaedc1f82a356f7b73f80039f481276
  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.