QED
v1.1.2
Menu
← Back to validated

QED certificate

QED record d06ac24585a1 from . View the live pool page.

Verified · Backed xStocks BSP

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

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

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
BSPx / USDT · Ethereum
Pool address
0xbd9f0ea1dbafc918039bb44ce4818ff5e60b1af7c992ef06731b416a84f30e8d
Issuer match
Backed xStocks · BSP · View BSP contracts
Checked
Valid until
Serial
d06ac24585a1
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":26229399,"chain":"ethereum","checked_at":"2026-10-19T21:46:34Z","dev":false,"expires_at":"2026-10-20T21:46:34Z","issuer":"Backed xStocks","pool":{"base":{"address":"0x3173dc3AF3981c6e98bB63799B9cBeb5526FF752","balance":"3997404094433337966109","decimals":18,"symbol":"USDT"},"chain":"ethereum","dex":"uniswap-v4","pool":"0xbd9f0ea1dbafc918039bb44ce4818ff5e60b1af7c992ef06731b416a84f30e8d","quote":{"address":"0x7796F4E23a62eF3653829c21032A9E24bEaf4Cf5","balance":"84664096730839821359","decimals":18,"symbol":"BSPx"}},"quote_share_of_supply":0.0002822136557694661,"reads":[{"block":null,"method":"eth_call","params":["0xbd216513d74c8cf14cf4747e6aaa6420ff64ee9e","poolKeys","0xbd9f0ea1dbafc918039bb44ce4818ff5e60b1af7c992ef0673"],"raw_result":"Object {\"currency0\": String(\"0x3173dc3af3981c6e98bb63799b9cbeb5526ff752\"), \"currency1\": String(\"0x7796f4e23a62ef3653829c21032a9e24beaf4cf5\"), \"fee\": String(\"780000\"), \"hooks\": String(\"0x0000000000000000000000000000000000000000\"), \"tickSpacing\": String(\"1\")}","result_hash":"668fabc008d144672c96acdbf1feb55e051deaed3b1bf344b2502f8f18baffab","slot":null},{"block":null,"method":"eth_call","params":["0x7ffe42c4a5deea5b0fec41c94c136cf115597227","getSlot0","0xbd9f0ea1dbafc918039bb44ce4818ff5e60b1af7c992ef06731b416a84f30e8d"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0x7ffe42c4a5deea5b0fec41c94c136cf115597227","getLiquidity","0xbd9f0ea1dbafc918039bb44ce4818ff5e60b1af7c992ef06731b416a84f30e8d"],"raw_result":"581753046337841952034","result_hash":"3b4e2ed6bed5b1c062853e301e5ae0ce60818db3c7e82d567c10b51be3bf062d","slot":null},{"block":null,"method":"eth_call","params":["0x3173dc3AF3981c6e98bB63799B9cBeb5526FF752","symbol()"],"raw_result":"Some(\"USDT\")","result_hash":"a851493323e1198c0940c2b2ca5c59e97da9c6f50f63f0c09779709ef2572f84","slot":null},{"block":null,"method":"eth_call","params":["0x3173dc3AF3981c6e98bB63799B9cBeb5526FF752","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x7796F4E23a62eF3653829c21032A9E24bEaf4Cf5","symbol()"],"raw_result":"Some(\"BSPx\")","result_hash":"62cdf440fd3d8f3c5ff631cacc1bc45614c7284e6c4e85c57a869cf138bf144e","slot":null},{"block":null,"method":"eth_call","params":["0x7796F4E23a62eF3653829c21032A9E24bEaf4Cf5","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":26229399,"method":"eth_blockNumber","params":[],"result_hash":"4ef3934479fbf1c94e4b0a3ad118c2799f6e06d005344c9d0d48d46146cf6874","slot":null},{"block":null,"method":"eth_call","params":["0x3173dc3AF3981c6e98bB63799B9cBeb5526FF752","symbol()"],"raw_result":"Some(\"USDT\")","result_hash":"a851493323e1198c0940c2b2ca5c59e97da9c6f50f63f0c09779709ef2572f84","slot":null},{"block":null,"method":"eth_call","params":["0x3173dc3AF3981c6e98bB63799B9cBeb5526FF752","name()"],"raw_result":"Some(\"usdt\")","result_hash":"a45457ba6f160e1f050944262397d040d3c78ed4bdc5316078fd95db2a8b3765","slot":null},{"block":null,"method":"eth_call","params":["0x3173dc3AF3981c6e98bB63799B9cBeb5526FF752","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x3173dc3AF3981c6e98bB63799B9cBeb5526FF752","totalSupply()"],"raw_result":"Some(\"1000000000000000000000000000\")","result_hash":"9a5063c327faec672db6b50450571675cbfbcc3766ebaf6832c3a9f6636ff4d0","slot":null},{"block":null,"method":"eth_call","params":["0x7796F4E23a62eF3653829c21032A9E24bEaf4Cf5","symbol()"],"raw_result":"Some(\"BSPx\")","result_hash":"62cdf440fd3d8f3c5ff631cacc1bc45614c7284e6c4e85c57a869cf138bf144e","slot":null},{"block":null,"method":"eth_call","params":["0x7796F4E23a62eF3653829c21032A9E24bEaf4Cf5","name()"],"raw_result":"Some(\"Bending Spoons xStock\")","result_hash":"79a899aaec3ef0aa3281c2181b06f951428b26190e95ebfc2dd617f572daf40f","slot":null},{"block":null,"method":"eth_call","params":["0x7796F4E23a62eF3653829c21032A9E24bEaf4Cf5","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x7796F4E23a62eF3653829c21032A9E24bEaf4Cf5","totalSupply()"],"raw_result":"Some(\"300000000000000000000000\")","result_hash":"c91886ef825bffc6a9ce0434fb1a4026b4eccb0e068e0950fbb5fb86d1e5ef06","slot":null},{"block":null,"method":"eth_getCode","params":["0x7796F4E23a62eF3653829c21032A9E24bEaf4Cf5","latest"],"result_hash":"71ee049d0c0cab5d785d7aef2e6b591e511475fb8ef465f4d8f5335bfd412bfd","slot":null},{"block":null,"method":"eth_getCode","params":["0x7796F4E23a62eF3653829c21032A9E24bEaf4Cf5","latest"],"result_hash":"71ee049d0c0cab5d785d7aef2e6b591e511475fb8ef465f4d8f5335bfd412bfd","slot":null}],"registry_entry":{"chain":"ethereum","contract":"0x7796F4E23a62eF3653829c21032A9E24bEaf4Cf5","decimals":null,"issuer":"Backed xStocks","last_checked":"2026-10-19T21:40:19Z","name":"Bending Spoons","source":"xstocks-api","source_url":"https://api.xstocks.fi/api/v2/public/assets","ticker":"BSP"},"registry_hash":"37f76e783440d042a6ba377568afbebcf983880e6cc47a429b6670672394702e","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0xbd9f0ea1dbafc918039bb44ce4818ff5e60b1af7c992ef06731b416a84f30e8d","ticker":"BSP","verdict":{"Verified":{"issuer":"Backed xStocks","ticker":"BSP"}},"version":1}
Signature
kcbhENL7G+RMoj2j97q3WbcZMypmqUQH7XotKWYksBAB1IUUu1yL9IkZs4KHPpD6ABKmMCMGcFqHWdLhUaS9Bg==
API call
GET /api/attest/d06ac24585a12577984eb55c53e55baf7be6bbccd13568ae8e0c7710d5e9d6ea
  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.