QED
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QED certificate

QED record 116b893682dd from . View the live pool page.

Verified · Ondo QQQ

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

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

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
QQQon / USDC · Ethereum
Pool address
0x2e5561232dd48a18f60ea547e6b5f3ce676b774c0050b9bc195314ffbb85e17c
Issuer match
Ondo · QQQ · View QQQ contracts
Checked
Valid until
Serial
116b893682dd
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.

0.70% 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":26221942,"chain":"ethereum","checked_at":"2026-10-18T20:48:50Z","dev":false,"expires_at":"2026-10-19T20:48:50Z","issuer":"Ondo","pool":{"base":{"address":"0x0e397938C1Aa0680954093495B70A9F5e2249aBa","balance":"266344444197356037221","decimals":18,"symbol":"QQQon"},"chain":"ethereum","dex":"uniswap-v4","pool":"0x2e5561232dd48a18f60ea547e6b5f3ce676b774c0050b9bc195314ffbb85e17c","quote":{"address":"0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","balance":"190234914345","decimals":6,"symbol":"USDC"}},"quote_share_of_supply":0.007043988896438202,"reads":[{"block":null,"method":"eth_call","params":["0xbd216513d74c8cf14cf4747e6aaa6420ff64ee9e","poolKeys","0x2e5561232dd48a18f60ea547e6b5f3ce676b774c0050b9bc19"],"raw_result":"Object {\"currency0\": String(\"0x0e397938c1aa0680954093495b70a9f5e2249aba\"), \"currency1\": String(\"0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48\"), \"fee\": String(\"6500\"), \"hooks\": String(\"0x0000000000000000000000000000000000000000\"), \"tickSpacing\": String(\"65\")}","result_hash":"9b5814de3a659208e60575535bd9413050f1357d96b4a476330c888ca879b8c3","slot":null},{"block":null,"method":"eth_call","params":["0x7ffe42c4a5deea5b0fec41c94c136cf115597227","getSlot0","0x2e5561232dd48a18f60ea547e6b5f3ce676b774c0050b9bc195314ffbb85e17c"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0x7ffe42c4a5deea5b0fec41c94c136cf115597227","getLiquidity","0x2e5561232dd48a18f60ea547e6b5f3ce676b774c0050b9bc195314ffbb85e17c"],"raw_result":"7118146706011755","result_hash":"8b2943d80e8a80d141c94f5fa7f824a70e620b677602aa9a6a1eae333d149529","slot":null},{"block":null,"method":"eth_call","params":["0x0e397938C1Aa0680954093495B70A9F5e2249aBa","symbol()"],"raw_result":"Some(\"QQQon\")","result_hash":"e61d6e31908fc5406de6f2077544ca2a4a5521be9e390f0822d8173f453df37b","slot":null},{"block":null,"method":"eth_call","params":["0x0e397938C1Aa0680954093495B70A9F5e2249aBa","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":26221942,"method":"eth_blockNumber","params":[],"result_hash":"1a8d0d07ad5400e8a0bdf14ad63f126c9db5de0f183c22b4b2eef28d84d8aec8","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(\"48215432242638898\")","result_hash":"b5d1301c4fc0349e85463193aed78c4a6520c5d73956f97798c42c82b73eaf8f","slot":null},{"block":null,"method":"eth_call","params":["0x0e397938C1Aa0680954093495B70A9F5e2249aBa","symbol()"],"raw_result":"Some(\"QQQon\")","result_hash":"e61d6e31908fc5406de6f2077544ca2a4a5521be9e390f0822d8173f453df37b","slot":null},{"block":null,"method":"eth_call","params":["0x0e397938C1Aa0680954093495B70A9F5e2249aBa","name()"],"raw_result":"Some(\"Invesco QQQ (Ondo Tokenized)\")","result_hash":"1546b962620e91b60fda0aac58012198c5fd3a5e910efa831383585023876703","slot":null},{"block":null,"method":"eth_call","params":["0x0e397938C1Aa0680954093495B70A9F5e2249aBa","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x0e397938C1Aa0680954093495B70A9F5e2249aBa","totalSupply()"],"raw_result":"Some(\"37811593418614462988083\")","result_hash":"1b2e51c2ed7f6072860bd614b9d4ec9d99c5ba6df29c3c6e3899dae470ab9bf0","slot":null},{"block":null,"method":"eth_getCode","params":["0x0e397938C1Aa0680954093495B70A9F5e2249aBa","latest"],"result_hash":"8538a8190a64db88a5e0ec4c95f0129f9eecd6f3a3aacb869262b82d01d123ec","slot":null},{"block":null,"method":"eth_getCode","params":["0x0e397938C1Aa0680954093495B70A9F5e2249aBa","latest"],"result_hash":"8538a8190a64db88a5e0ec4c95f0129f9eecd6f3a3aacb869262b82d01d123ec","slot":null}],"registry_entry":{"chain":"ethereum","contract":"0x0e397938C1Aa0680954093495B70A9F5e2249aBa","decimals":null,"issuer":"Ondo","last_checked":"2026-10-18T20:40:22Z","name":"Invesco QQQ (Ondo Tokenized)","official_deployments":[{"address":"0x0e397938C1Aa0680954093495B70A9F5e2249aBa","network":"Ethereum"},{"address":"0x0cdE6936d305d5B34667fC46425E852efd73559a","network":"BNB Chain"},{"address":"HrYNm6jTQ71LoFphjVKBTdAE4uja7WsmLG8VxB8ondo","network":"Solana"},{"address":"0x911e2dCD2b70F44231F3F0f1C6ec9aF75068FD85","network":"HyperEVM"}],"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":"QQQ"},"registry_hash":"232d0be2eda56472709e0cf69b424df4c8dd39a27138a34cf3d57c8f428c0f9e","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0x2e5561232dd48a18f60ea547e6b5f3ce676b774c0050b9bc195314ffbb85e17c","ticker":"QQQ","verdict":{"Verified":{"issuer":"Ondo","ticker":"QQQ"}},"version":1}
Signature
wntX+bNuKMcPdyUHuaXfCdnwgWJqfggF2A4TbJa1VQEFhtUDiexWTCbGUdzUIJUzJ6OvjnlrxQbM1aEoezjOCQ==
API call
GET /api/attest/116b893682ddf9db8e00c428015f775867b217061029484e73c5e2b27b01d31b
  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.