QED
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QED certificate

QED record c972eee0f794 from . View the live pool page.

Verified · Backed xStocks COIN

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

The pool's quote contract matches Backed xStocks's registry entry for COIN.

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
COINx / USDT · BNB Chain
Pool address
0xE3b0a50277347Ea1197Bea7C879b2Af2e6679Ae6
Issuer match
Backed xStocks · COIN · View COIN contracts
Checked
Valid until
Serial
c972eee0f794
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":128778371,"chain":"bnb","checked_at":"2026-10-20T16:30:28Z","dev":false,"expires_at":"2026-10-21T16:30:28Z","issuer":"Backed xStocks","pool":{"base":{"address":"0x364f210f430eC2448Fc68A49203040F6124096F0","balance":"108148884546146196","decimals":18,"symbol":"COINx"},"chain":"bnb","dex":"pancake-v3","pool":"0xE3b0a50277347Ea1197Bea7C879b2Af2e6679Ae6","quote":{"address":"0x55d398326f99059fF775485246999027B3197955","balance":"4257308720633464862","decimals":18,"symbol":"USDT"}},"quote_share_of_supply":3.892746600323103e-6,"reads":[{"block":128778371,"method":"eth_blockNumber","params":[],"result_hash":"6396f86f9741e2765c3464af5a60fab9e7c473a19d98ea6dae2159b76127af67","slot":null},{"block":null,"method":"eth_call","params":["0xE3b0a50277347Ea1197Bea7C879b2Af2e6679Ae6","token0()"],"raw_result":"0x364f210f430ec2448fc68a49203040f6124096f0","result_hash":"e836138f0042908737529bec976284cef4a975cf197e4e2659e81ef6b51cd3f2","slot":null},{"block":null,"method":"eth_call","params":["0xE3b0a50277347Ea1197Bea7C879b2Af2e6679Ae6","token1()"],"raw_result":"0x55d398326f99059ff775485246999027b3197955","result_hash":"66f63b72a2cc2125a9e796877d8894f3c7efb1d98419d7f1f9800b08f25cdc61","slot":null},{"block":null,"method":"eth_call","params":["0xE3b0a50277347Ea1197Bea7C879b2Af2e6679Ae6","getReserves()"],"raw_result":"false","result_hash":"076de6e730df0b4c3860877a0f619c6ac11f8aefd78313ac793a2a703c026869","slot":null},{"block":null,"method":"eth_call","params":["0xE3b0a50277347Ea1197Bea7C879b2Af2e6679Ae6","slot0()"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0xE3b0a50277347Ea1197Bea7C879b2Af2e6679Ae6","factory()"],"raw_result":"0x0bfbcf9fa4f9c56b0f40a671ad40e0805a091865","result_hash":"2e3d0bedb6ff98db8ecf6c7b57f2028219517abe46f0f5212ff489a2c45cafbd","slot":null},{"block":null,"method":"eth_call","params":["0xE3b0a50277347Ea1197Bea7C879b2Af2e6679Ae6","fee()"],"raw_result":"2500","result_hash":"c470156de4cb3620b0749c19d984d0666924d83d0ec37998dd6b637a87a2ec3b","slot":null},{"block":null,"method":"eth_call","params":["0x0BFbCF9fa4f9C56B0F40a671Ad40E0805A091865","getPool","0x364f210f430eC2448Fc68A49203040F6124096F0","0x55d398326f99059fF775485246999027B3197955","0x9c4"],"raw_result":"0xe3b0a50277347ea1197bea7c879b2af2e6679ae6","result_hash":"0f2f9728e077ae9ed009075ba9d9ff0eb5bfdaa54d8984049102b5f5910b0112","slot":null},{"block":null,"method":"eth_call","params":["0x364f210f430eC2448Fc68A49203040F6124096F0","symbol()"],"raw_result":"Some(\"COINx\")","result_hash":"a3237d38bb86b8ba99a7b7c8733bd163be317c46be2d0c87fcf27164845a7d9d","slot":null},{"block":null,"method":"eth_call","params":["0x364f210f430eC2448Fc68A49203040F6124096F0","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x364f210f430eC2448Fc68A49203040F6124096F0","balanceOf","0xE3b0a50277347Ea1197Bea7C879b2Af2e6679Ae6"],"raw_result":"Some(\"108148884546146196\")","result_hash":"b09ac2522eb49abcd2e81f701e27269af170f0c963ebf89114d38e10c4548a6c","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","0xE3b0a50277347Ea1197Bea7C879b2Af2e6679Ae6"],"raw_result":"Some(\"4257308720633464862\")","result_hash":"ce01f961d6820efcfe850cb5dd14bd329c2c096340036e14b2acd898fc1672c0","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":["0x364f210f430eC2448Fc68A49203040F6124096F0","symbol()"],"raw_result":"Some(\"COINx\")","result_hash":"a3237d38bb86b8ba99a7b7c8733bd163be317c46be2d0c87fcf27164845a7d9d","slot":null},{"block":null,"method":"eth_call","params":["0x364f210f430eC2448Fc68A49203040F6124096F0","name()"],"raw_result":"Some(\"Coinbase xStock\")","result_hash":"10d475335acda868798f221610647beee1d6deb923a175d0f09a57b908179c4f","slot":null},{"block":null,"method":"eth_call","params":["0x364f210f430eC2448Fc68A49203040F6124096F0","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x364f210f430eC2448Fc68A49203040F6124096F0","totalSupply()"],"raw_result":"Some(\"27782153746449795030600\")","result_hash":"5d51691b955e6a270fa16e9d550bc43cbf5a67b6d86c427ac4f8aafe715e7315","slot":null},{"block":null,"method":"eth_getCode","params":["0x364f210f430eC2448Fc68A49203040F6124096F0","latest"],"result_hash":"71ee049d0c0cab5d785d7aef2e6b591e511475fb8ef465f4d8f5335bfd412bfd","slot":null},{"block":null,"method":"eth_getCode","params":["0x364f210f430eC2448Fc68A49203040F6124096F0","latest"],"result_hash":"71ee049d0c0cab5d785d7aef2e6b591e511475fb8ef465f4d8f5335bfd412bfd","slot":null}],"registry_entry":{"chain":"bnb","contract":"0x364f210f430eC2448Fc68A49203040F6124096F0","decimals":null,"issuer":"Backed xStocks","last_checked":"2026-10-20T15:40:19Z","name":"Coinbase","source":"xstocks-api","source_url":"https://api.xstocks.fi/api/v2/public/assets","ticker":"COIN"},"registry_hash":"e42f41f1e0f0dc698c2f40aa64c9df099fb8b38e10dd3a1a8d6c92b85ad7aedb","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0xE3b0a50277347Ea1197Bea7C879b2Af2e6679Ae6","ticker":"COIN","verdict":{"Verified":{"issuer":"Backed xStocks","ticker":"COIN"}},"version":1}
Signature
gdc30kTMuktRv44+5wq1KgAmGPdWaH8zJoY2E/2CJEiTV6+A1U8cecGIQrDsFaBYUKJcZfuF1Qp9fGuwiLJOCw==
API call
GET /api/attest/c972eee0f79408af0c371f7e951f0d29b8189eea05c56be28f145afca981d69d
  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.