QED
v1.1.2
Menu
← Back to validated

QED certificate

QED record 7194cc43c2e5 from . View the live pool page.

Verified · Ondo USD

Does USDon / USDT match its issuer's published contract?

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

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

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

Signature valid · contract match

BNB Chain PancakeSwap v3
Subject
USDon / USDT · BNB Chain
Pool address
0xe9e08a7254C62C434A2EA62dD70B4df3a329F14a
Issuer match
Ondo · USD · View USD contracts
Checked
Valid until
Serial
7194cc43c2e5
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":128628699,"chain":"bnb","checked_at":"2026-10-19T21:47:05Z","dev":false,"expires_at":"2026-10-20T21:47:05Z","issuer":"Ondo","pool":{"base":{"address":"0x1f8955E640Cbd9abc3C3Bb408c9E2E1f5F20DfE6","balance":"111935608992961721731","decimals":18,"symbol":"USDon"},"chain":"bnb","dex":"pancake-v3","pool":"0xe9e08a7254C62C434A2EA62dD70B4df3a329F14a","quote":{"address":"0x55d398326f99059fF775485246999027B3197955","balance":"93623414742500472992","decimals":18,"symbol":"USDT"}},"quote_share_of_supply":3.4869040263635398e-6,"reads":[{"block":128628699,"method":"eth_blockNumber","params":[],"result_hash":"fbcac3895266824f23b278039f4b2680cbf0d9ad2a8b3f1a8958bce636f807fe","slot":null},{"block":null,"method":"eth_call","params":["0xe9e08a7254C62C434A2EA62dD70B4df3a329F14a","token0()"],"raw_result":"0x1f8955e640cbd9abc3c3bb408c9e2e1f5f20dfe6","result_hash":"941b3bf3e4c76cb1167c82f156710dc873088830f8d005c67e1addd3d9d832fd","slot":null},{"block":null,"method":"eth_call","params":["0xe9e08a7254C62C434A2EA62dD70B4df3a329F14a","token1()"],"raw_result":"0x55d398326f99059ff775485246999027b3197955","result_hash":"66f63b72a2cc2125a9e796877d8894f3c7efb1d98419d7f1f9800b08f25cdc61","slot":null},{"block":null,"method":"eth_call","params":["0xe9e08a7254C62C434A2EA62dD70B4df3a329F14a","getReserves()"],"raw_result":"false","result_hash":"076de6e730df0b4c3860877a0f619c6ac11f8aefd78313ac793a2a703c026869","slot":null},{"block":null,"method":"eth_call","params":["0xe9e08a7254C62C434A2EA62dD70B4df3a329F14a","slot0()"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0xe9e08a7254C62C434A2EA62dD70B4df3a329F14a","factory()"],"raw_result":"0x0bfbcf9fa4f9c56b0f40a671ad40e0805a091865","result_hash":"2e3d0bedb6ff98db8ecf6c7b57f2028219517abe46f0f5212ff489a2c45cafbd","slot":null},{"block":null,"method":"eth_call","params":["0xe9e08a7254C62C434A2EA62dD70B4df3a329F14a","fee()"],"raw_result":"2500","result_hash":"c470156de4cb3620b0749c19d984d0666924d83d0ec37998dd6b637a87a2ec3b","slot":null},{"block":null,"method":"eth_call","params":["0x0BFbCF9fa4f9C56B0F40a671Ad40E0805A091865","getPool","0x1f8955E640Cbd9abc3C3Bb408c9E2E1f5F20DfE6","0x55d398326f99059fF775485246999027B3197955","0x9c4"],"raw_result":"0xe9e08a7254c62c434a2ea62dd70b4df3a329f14a","result_hash":"f033189f6ff338c9721dc311e804f601b4a52e770d2dc08ec31a19c3d553f347","slot":null},{"block":null,"method":"eth_call","params":["0x1f8955E640Cbd9abc3C3Bb408c9E2E1f5F20DfE6","symbol()"],"raw_result":"Some(\"USDon\")","result_hash":"c1f2a7a70dafac2015c6623af748d80fa986e11cf3bc6e2c4a82dbaa3ee65186","slot":null},{"block":null,"method":"eth_call","params":["0x1f8955E640Cbd9abc3C3Bb408c9E2E1f5F20DfE6","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x1f8955E640Cbd9abc3C3Bb408c9E2E1f5F20DfE6","balanceOf","0xe9e08a7254C62C434A2EA62dD70B4df3a329F14a"],"raw_result":"Some(\"111935608992961721731\")","result_hash":"579b2604048823419c80c1ef26c31aa2608942036d83a3ef2122b92c80332eb2","slot":null},{"block":null,"method":"eth_call","params":["0x55d398326f99059fF775485246999027B3197955","symbol()"],"raw_result":"Some(\"USDT\")","result_hash":"a851493323e1198c0940c2b2ca5c59e97da9c6f50f63f0c09779709ef2572f84","slot":null},{"block":null,"method":"eth_call","params":["0x55d398326f99059fF775485246999027B3197955","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x55d398326f99059fF775485246999027B3197955","balanceOf","0xe9e08a7254C62C434A2EA62dD70B4df3a329F14a"],"raw_result":"Some(\"93623414742500472992\")","result_hash":"09b7011a2b6ff1051dd4cfadf174e49326cbb05633e7beb97df5a61eec2fb469","slot":null},{"block":null,"method":"eth_call","params":["0x55d398326f99059fF775485246999027B3197955","symbol()"],"raw_result":"Some(\"USDT\")","result_hash":"a851493323e1198c0940c2b2ca5c59e97da9c6f50f63f0c09779709ef2572f84","slot":null},{"block":null,"method":"eth_call","params":["0x55d398326f99059fF775485246999027B3197955","name()"],"raw_result":"Some(\"Tether USD\")","result_hash":"8f7cfea6e15ea5712d4bf603e3223e8de9dfdee3c5fe9a25ec1181218bd425ad","slot":null},{"block":null,"method":"eth_call","params":["0x55d398326f99059fF775485246999027B3197955","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x55d398326f99059fF775485246999027B3197955","totalSupply()"],"raw_result":"Some(\"9184991859520259774116723649\")","result_hash":"b5a4e3e312d5f88f7b6f5d44368633422f48dda22b217c1ece79f64edd5719c9","slot":null},{"block":null,"method":"eth_call","params":["0x1f8955E640Cbd9abc3C3Bb408c9E2E1f5F20DfE6","symbol()"],"raw_result":"Some(\"USDon\")","result_hash":"c1f2a7a70dafac2015c6623af748d80fa986e11cf3bc6e2c4a82dbaa3ee65186","slot":null},{"block":null,"method":"eth_call","params":["0x1f8955E640Cbd9abc3C3Bb408c9E2E1f5F20DfE6","name()"],"raw_result":"Some(\"Ondo U.S. Dollar Token\")","result_hash":"3c56680ac062cb7877e9841c61b13ca3619b5451f8bc537da51b116e866a9af3","slot":null},{"block":null,"method":"eth_call","params":["0x1f8955E640Cbd9abc3C3Bb408c9E2E1f5F20DfE6","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x1f8955E640Cbd9abc3C3Bb408c9E2E1f5F20DfE6","totalSupply()"],"raw_result":"Some(\"32101717783640390731407544\")","result_hash":"69ee0a51320a54af157cb3f3e122751ca04fd64cd9fbf96ff8eb42da2338dc7e","slot":null},{"block":null,"method":"eth_getCode","params":["0x1f8955E640Cbd9abc3C3Bb408c9E2E1f5F20DfE6","latest"],"result_hash":"5c44abfbe06f31ba695b6acd0b44005d42432099f25c1d43e94acda2bef4bb7d","slot":null},{"block":null,"method":"eth_getCode","params":["0x1f8955E640Cbd9abc3C3Bb408c9E2E1f5F20DfE6","latest"],"result_hash":"5c44abfbe06f31ba695b6acd0b44005d42432099f25c1d43e94acda2bef4bb7d","slot":null}],"registry_entry":{"chain":"bnb","contract":"0x1f8955E640Cbd9abc3C3Bb408c9E2E1f5F20DfE6","decimals":null,"issuer":"Ondo","last_checked":"2026-10-19T21:40:22Z","name":"Ondo U.S. Dollar Token","official_deployments":[{"address":"0xAcE8E719899F6E91831B18AE746C9A965c2119F1","network":"Ethereum"},{"address":"0x1f8955E640Cbd9abc3C3Bb408c9E2E1f5F20DfE6","network":"BNB Chain"},{"address":"ZPFtoCe7WWqG4N3ZFRccS8T9SMBeHsd1Vmgv2i7ondo","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":"USD"},"registry_hash":"37f76e783440d042a6ba377568afbebcf983880e6cc47a429b6670672394702e","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0xe9e08a7254C62C434A2EA62dD70B4df3a329F14a","ticker":"USD","verdict":{"Verified":{"issuer":"Ondo","ticker":"USD"}},"version":1}
Signature
4bGkXgsTciXCXl4EsDJ8jQrBMCkPwYPbqwzKc7hkETjp8oXeXNokjEf1KGMhJ8wDyjBHbjuLo3WdoGS/Blt0AQ==
API call
GET /api/attest/7194cc43c2e5e254530c598b71ac5d8a81ba20bed5b6beeb5b01c49bbc38777f
  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.