QED
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QED certificate

QED record 769d7f76ff2c from . View the live pool page.

Verified · Ondo BIDU

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

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

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
BIDUon / USDC · Ethereum
Pool address
0x55aa81a1d1aa1993fbe45e81de2378cb3befeeb129f9a7837c67c3ccb2d4ab1a
Issuer match
Ondo · BIDU · View BIDU contracts
Checked
Valid until
Serial
769d7f76ff2c
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.

0.03% 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":26245813,"chain":"ethereum","checked_at":"2026-10-22T04:38:20Z","dev":false,"expires_at":"2026-10-23T04:38:20Z","issuer":"Ondo","pool":{"base":{"address":"0x9d4C6AD12B55E4645b585209F90Cc26614061E91","balance":"3397226039175972416","decimals":18,"symbol":"BIDUon"},"chain":"ethereum","dex":"uniswap-v4","pool":"0x55aa81a1d1aa1993fbe45e81de2378cb3befeeb129f9a7837c67c3ccb2d4ab1a","quote":{"address":"0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","balance":"279445878","decimals":6,"symbol":"USDC"}},"quote_share_of_supply":0.0003183726010358641,"reads":[{"block":null,"method":"eth_call","params":["0xbd216513d74c8cf14cf4747e6aaa6420ff64ee9e","poolKeys","0x55aa81a1d1aa1993fbe45e81de2378cb3befeeb129f9a7837c"],"raw_result":"Object {\"currency0\": String(\"0x9d4c6ad12b55e4645b585209f90cc26614061e91\"), \"currency1\": String(\"0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48\"), \"fee\": String(\"50000\"), \"hooks\": String(\"0x0000000000000000000000000000000000000000\"), \"tickSpacing\": String(\"500\")}","result_hash":"8a43a4a540c6d2eaa942187504d61f51a5c01bb3f874466b3857644103af701e","slot":null},{"block":null,"method":"eth_call","params":["0x7ffe42c4a5deea5b0fec41c94c136cf115597227","getSlot0","0x55aa81a1d1aa1993fbe45e81de2378cb3befeeb129f9a7837c67c3ccb2d4ab1a"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0x7ffe42c4a5deea5b0fec41c94c136cf115597227","getLiquidity","0x55aa81a1d1aa1993fbe45e81de2378cb3befeeb129f9a7837c67c3ccb2d4ab1a"],"raw_result":"30811374766059","result_hash":"570818c48ed2e748643c2717958c6fcf74f9ae887b15a315c74a55c78ec006e2","slot":null},{"block":null,"method":"eth_call","params":["0x9d4C6AD12B55E4645b585209F90Cc26614061E91","symbol()"],"raw_result":"Some(\"BIDUon\")","result_hash":"220f8e9bc02ccbe96e831d7a0d59bdaa831371ed49b961b2638679b1c78df297","slot":null},{"block":null,"method":"eth_call","params":["0x9d4C6AD12B55E4645b585209F90Cc26614061E91","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":26245813,"method":"eth_blockNumber","params":[],"result_hash":"2b1888f98bf20233bf0b774b61a0095208f298b88957c3ee027b94c1eeb365e2","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(\"48142669932902641\")","result_hash":"a8c192f3a17f0254ef3fd96cdf88815cf23a751a0ce94a4cf7717be7b59e6cf0","slot":null},{"block":null,"method":"eth_call","params":["0x9d4C6AD12B55E4645b585209F90Cc26614061E91","symbol()"],"raw_result":"Some(\"BIDUon\")","result_hash":"220f8e9bc02ccbe96e831d7a0d59bdaa831371ed49b961b2638679b1c78df297","slot":null},{"block":null,"method":"eth_call","params":["0x9d4C6AD12B55E4645b585209F90Cc26614061E91","name()"],"raw_result":"Some(\"Baidu (Ondo Tokenized)\")","result_hash":"81ad744dfe8c943d2277392137fca047243b438f27c0485a70af31f83df964ff","slot":null},{"block":null,"method":"eth_call","params":["0x9d4C6AD12B55E4645b585209F90Cc26614061E91","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x9d4C6AD12B55E4645b585209F90Cc26614061E91","totalSupply()"],"raw_result":"Some(\"10670597997826076557078\")","result_hash":"905a76cfef54cf20c1db31a7c8a9b2b52d7a057ee985c702403237cb31e855bc","slot":null},{"block":null,"method":"eth_getCode","params":["0x9d4C6AD12B55E4645b585209F90Cc26614061E91","latest"],"result_hash":"8538a8190a64db88a5e0ec4c95f0129f9eecd6f3a3aacb869262b82d01d123ec","slot":null},{"block":null,"method":"eth_getCode","params":["0x9d4C6AD12B55E4645b585209F90Cc26614061E91","latest"],"result_hash":"8538a8190a64db88a5e0ec4c95f0129f9eecd6f3a3aacb869262b82d01d123ec","slot":null}],"registry_entry":{"chain":"ethereum","contract":"0x9d4C6AD12B55E4645b585209F90Cc26614061E91","decimals":null,"issuer":"Ondo","last_checked":"2026-10-21T20:04:12Z","name":"Baidu (Ondo Tokenized)","official_deployments":[{"address":"0x9d4C6AD12B55E4645b585209F90Cc26614061E91","network":"Ethereum"},{"address":"0x467e59ce5D5fe01686D4A80dd1E1DAE13549AA6c","network":"BNB Chain"},{"address":"54CoRF2FYMZNJg9tS36xq5BUcLZ7rju1r59jGc2ondo","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":"BIDU"},"registry_hash":"47d1728f948a06953aa44735d9e5f418d19625b2a4515a96ed2ede4bfe0eee70","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0x55aa81a1d1aa1993fbe45e81de2378cb3befeeb129f9a7837c67c3ccb2d4ab1a","ticker":"BIDU","verdict":{"Verified":{"issuer":"Ondo","ticker":"BIDU"}},"version":1}
Signature
FtwXKBKW8rMv9ryllanPeBbt1cxlBhVthMOFfH72k9ytYiAaEUiG6jP1hoqZfLF9PIwYlz3kCFGPogANXHgNBg==
API call
GET /api/attest/769d7f76ff2ce518a3bc7921f4e29758c3d4cf6166f3a56abab76fb8893afdb8
  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.