QED
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QED certificate

QED record e6d3fc7035cf 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
0x4eb555fe31466b4465a0e0a6b69df8c0b9ec257a10f12629cc7ee405fe123350
Issuer match
Ondo · BLKHI · View BLKHI contracts
Checked
Valid until
Serial
e6d3fc7035cf
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":26255394,"chain":"ethereum","checked_at":"2026-10-23T12:42:20Z","dev":false,"expires_at":"2026-10-24T12:42:20Z","issuer":"Ondo","pool":{"base":{"address":"0x787769d6Fc857169F5243ef66d3f0a954149d3BA","balance":"0","decimals":18,"symbol":"BLKHIon"},"chain":"ethereum","dex":"uniswap-v4","pool":"0x4eb555fe31466b4465a0e0a6b69df8c0b9ec257a10f12629cc7ee405fe123350","quote":{"address":"0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","balance":"0","decimals":6,"symbol":"USDC"}},"quote_share_of_supply":0.0,"reads":[{"block":null,"method":"eth_call","params":["0xbd216513d74c8cf14cf4747e6aaa6420ff64ee9e","poolKeys","0x4eb555fe31466b4465a0e0a6b69df8c0b9ec257a10f12629cc"],"raw_result":"Object {\"currency0\": String(\"0x787769d6fc857169f5243ef66d3f0a954149d3ba\"), \"currency1\": String(\"0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48\"), \"fee\": String(\"10000\"), \"hooks\": String(\"0x0000000000000000000000000000000000000000\"), \"tickSpacing\": String(\"100\")}","result_hash":"e400bba6078ca03f2da21d91440b0c7cd38f776cf013c5d4b3515663aa894937","slot":null},{"block":null,"method":"eth_call","params":["0x7ffe42c4a5deea5b0fec41c94c136cf115597227","getSlot0","0x4eb555fe31466b4465a0e0a6b69df8c0b9ec257a10f12629cc7ee405fe123350"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0x7ffe42c4a5deea5b0fec41c94c136cf115597227","getLiquidity","0x4eb555fe31466b4465a0e0a6b69df8c0b9ec257a10f12629cc7ee405fe123350"],"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":26255394,"method":"eth_blockNumber","params":[],"result_hash":"59fa65c8a4ef778e28903388498f69f95d317f36a1572a2241e98459fdea468a","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(\"47996423874565346\")","result_hash":"33afe7fa67181737f2e8335cb9e9ed0ef3ff9c63bacb7fa6124e4f70e3880149","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(\"834479564829675512392181\")","result_hash":"34e8c7178862162c22e9e1b2088f35065547b17662eb30268293fa81d99f53e4","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":"dd5431f703fd52683ef74ed634c17f23be115c183d4d6cce6857ac26b6a575e2","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0x4eb555fe31466b4465a0e0a6b69df8c0b9ec257a10f12629cc7ee405fe123350","ticker":"BLKHI","verdict":{"Verified":{"issuer":"Ondo","ticker":"BLKHI"}},"version":1}
Signature
5p04v22e3NtMY4Esos56FSD0HilQD6GzqxDsXxocSwAlkGzwwKAl897jfrxzyGTuiN7hnayOhZa0KtVDpTxoAQ==
API call
GET /api/attest/e6d3fc7035cf29a3dce50e647dc2b62543ff3e6d4edc8ba7ac0b277350045842
  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.