QED
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QED certificate

QED record b5df3814bb80 from . View the live pool page.

Verified · Backed xStocks AMZN

AMZNx/USDT

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

contract match only, not proof of backing or custody, reserves, price, or endorsement

Signature valid · contract match

BNB Chain PancakeSwap v3
Subject
AMZNx/USDT · BNB Chain
Pool address
0x28A73f5bd589Fea90BA0D24117BF91D648be3ef2
Issuer match
Backed xStocks · AMZN · View AMZN contracts
Checked
Valid until
Serial
b5df3814bb80
Signed by
QED (key id GJWKkiUd)

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":125825232,"chain":"Bnb","checked_at":"2026-10-05T07:05:46Z","dev":false,"expires_at":"2026-10-06T07:05:46Z","issuer":"Backed xStocks","pool":{"base":{"address":"0x3557Ba345B01EFa20A1bdDC61F573BFD87195081","balance":"52171083234541280","decimals":18,"symbol":"AMZNx"},"chain":"Bnb","dex":"pancake-v3","pool":"0x28A73f5bd589Fea90BA0D24117BF91D648be3ef2","quote":{"address":"0x55d398326f99059fF775485246999027B3197955","balance":"8313305759750597311","decimals":18,"symbol":"USDT"}},"quote_share_of_supply":5.217108323454128e-6,"reads":[{"block":null,"method":"eth_getCode","params":["0x28A73f5bd589Fea90BA0D24117BF91D648be3ef2","latest"],"result_hash":"1c9409806518d1a5f52d79299ea0289ea2ff527e05895cd8f7a36d4cca28a13e","slot":null},{"block":null,"method":"eth_getCode","params":["0x28A73f5bd589Fea90BA0D24117BF91D648be3ef2","latest"],"result_hash":"8c84510e77acbcc682c79e85dcaea1ed8319a5fa63413b579c0b564dbd5864fd","slot":null},{"block":125825232,"method":"eth_blockNumber","params":[],"result_hash":"8fefa588f18f76c3d6108afd48577deea41c2557b69c5f0ceff786022bcad51e","slot":null},{"block":null,"method":"eth_call","params":["0x28A73f5bd589Fea90BA0D24117BF91D648be3ef2","token0()"],"raw_result":"0x3557ba345b01efa20a1bddc61f573bfd87195081","result_hash":"e1fa71e8ad56e21a8e211fa38f8115a8dde6ab3a4b8f9df982882c35b199c044","slot":null},{"block":null,"method":"eth_call","params":["0x28A73f5bd589Fea90BA0D24117BF91D648be3ef2","token1()"],"raw_result":"0x55d398326f99059ff775485246999027b3197955","result_hash":"66f63b72a2cc2125a9e796877d8894f3c7efb1d98419d7f1f9800b08f25cdc61","slot":null},{"block":null,"method":"eth_call","params":["0x28A73f5bd589Fea90BA0D24117BF91D648be3ef2","getReserves()"],"raw_result":"false","result_hash":"076de6e730df0b4c3860877a0f619c6ac11f8aefd78313ac793a2a703c026869","slot":null},{"block":null,"method":"eth_call","params":["0x28A73f5bd589Fea90BA0D24117BF91D648be3ef2","slot0()"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0x28A73f5bd589Fea90BA0D24117BF91D648be3ef2","factory()"],"raw_result":"Some(0x0bfbcf9fa4f9c56b0f40a671ad40e0805a091865)","result_hash":"da1f4544b9417a11911907f7a632e9c00b511a10bfd124a8879882f21abb2fe7","slot":null},{"block":null,"method":"eth_call","params":["0x3557Ba345B01EFa20A1bdDC61F573BFD87195081","symbol()"],"raw_result":"Some(\"AMZNx\")","result_hash":"3f9571336c2a39f494b3c82a73943c1735ff55d95c82eacaf21b992f1485f9fd","slot":null},{"block":null,"method":"eth_call","params":["0x3557Ba345B01EFa20A1bdDC61F573BFD87195081","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x3557Ba345B01EFa20A1bdDC61F573BFD87195081","balanceOf","0x28A73f5bd589Fea90BA0D24117BF91D648be3ef2"],"raw_result":"Some(\"52171083234541280\")","result_hash":"5161ba22e09377c442faf085f30b966c1ce5771e3ccd653d7b5766720187c973","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","0x28A73f5bd589Fea90BA0D24117BF91D648be3ef2"],"raw_result":"Some(\"8313305759750597311\")","result_hash":"20643e84396913b16850cd5d75d42f968297cec1850b5f4a1fed9182ca86a8a3","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(\"9184991859680809663064697687\")","result_hash":"3e019cb4c0a909cc660859350c58660f21b07328cb9a21194c9119b0167d8880","slot":null},{"block":null,"method":"eth_call","params":["0x3557Ba345B01EFa20A1bdDC61F573BFD87195081","symbol()"],"raw_result":"Some(\"AMZNx\")","result_hash":"3f9571336c2a39f494b3c82a73943c1735ff55d95c82eacaf21b992f1485f9fd","slot":null},{"block":null,"method":"eth_call","params":["0x3557Ba345B01EFa20A1bdDC61F573BFD87195081","name()"],"raw_result":"Some(\"Amazon.com xStock\")","result_hash":"8f4babbefa287ee9cc8dec91a4001fa2592f133884da76159ad9d9e9b6693bb7","slot":null},{"block":null,"method":"eth_call","params":["0x3557Ba345B01EFa20A1bdDC61F573BFD87195081","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x3557Ba345B01EFa20A1bdDC61F573BFD87195081","totalSupply()"],"raw_result":"Some(\"10000000000000000000000\")","result_hash":"0a49d49feb87a506a5e1f89b074c833f63bd7aa1eaca9f185e5d9831110e1745","slot":null},{"block":null,"method":"eth_getCode","params":["0x3557Ba345B01EFa20A1bdDC61F573BFD87195081","latest"],"result_hash":"71ee049d0c0cab5d785d7aef2e6b591e511475fb8ef465f4d8f5335bfd412bfd","slot":null},{"block":null,"method":"eth_getCode","params":["0x3557Ba345B01EFa20A1bdDC61F573BFD87195081","latest"],"result_hash":"71ee049d0c0cab5d785d7aef2e6b591e511475fb8ef465f4d8f5335bfd412bfd","slot":null}],"registry_entry":{"chain":"Bnb","contract":"0x3557Ba345B01EFa20A1bdDC61F573BFD87195081","decimals":null,"issuer":"Backed xStocks","last_checked":"2026-10-05T06:14:21Z","name":"Amazon.com","source":"xstocks-api","source_url":"https://api.xstocks.fi/api/v2/public/assets","ticker":"AMZN"},"registry_hash":"f21885a6930f650c992e60da4f15a26935ba7c04f9b3d56652090a065e088778","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0x28A73f5bd589Fea90BA0D24117BF91D648be3ef2","ticker":"AMZN","verdict":{"Verified":{"issuer":"Backed xStocks","ticker":"AMZN"}},"version":1}
Signature
nQ2OTJQZAT2OLeh3BwNgvdVMr5V5TzjoPCS9mmmWvYjWWPVXPDFI77pe3qmcV60RLI/RyhvH5YQr2KtPA50EBw==
API call
GET /api/attest/b5df3814bb803ed1b64cf1e239364cb81266f236937cbf031d070d50c40f7bbe
  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.