QED
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QED certificate

QED record 90acd65b7605 from . View the live pool page.

Verified · Backed xStocks SPCX

Does SPCXx / 比特币 match its issuer's published contract?

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

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 Uniswap v3
Subject
SPCXx / 比特币 · BNB Chain
Pool address
0xB6d44183F8DB46C9A73d9Ac5a38041e71059f392
Issuer match
Backed xStocks · SPCX · View SPCX contracts
Checked
Valid until
Serial
90acd65b7605
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":128578687,"chain":"bnb","checked_at":"2026-10-19T15:31:56Z","dev":false,"expires_at":"2026-10-20T15:31:56Z","issuer":"Backed xStocks","pool":{"base":{"address":"0x18d0e455B3491E09210292d3953157A4Bf104444","balance":"4750511622621232531874","decimals":18,"symbol":"比特币"},"chain":"bnb","dex":"uniswap-v3","pool":"0xB6d44183F8DB46C9A73d9Ac5a38041e71059f392","quote":{"address":"0x68fa48B1C2FE52b3D776E1953e0E782b5044Ce28","balance":"2426971477328599669","decimals":18,"symbol":"SPCXx"}},"quote_share_of_supply":0.00008089904924428665,"reads":[{"block":128578687,"method":"eth_blockNumber","params":[],"result_hash":"baa407f7b5e532136b734fa1ee1d8d20b66bb0f52dc8c50aeab2a47695fc4919","slot":null},{"block":null,"method":"eth_call","params":["0xB6d44183F8DB46C9A73d9Ac5a38041e71059f392","token0()"],"raw_result":"0x18d0e455b3491e09210292d3953157a4bf104444","result_hash":"8bdef4b93a8e327bcf767bd3f339c81d34d1067224b7efa85403b3e3b14f0a6a","slot":null},{"block":null,"method":"eth_call","params":["0xB6d44183F8DB46C9A73d9Ac5a38041e71059f392","token1()"],"raw_result":"0x68fa48b1c2fe52b3d776e1953e0e782b5044ce28","result_hash":"7026d35b349fb3ae6aeb1941c7ca31f197ef75d99776e799ff166b519319b6ad","slot":null},{"block":null,"method":"eth_call","params":["0xB6d44183F8DB46C9A73d9Ac5a38041e71059f392","getReserves()"],"raw_result":"false","result_hash":"076de6e730df0b4c3860877a0f619c6ac11f8aefd78313ac793a2a703c026869","slot":null},{"block":null,"method":"eth_call","params":["0xB6d44183F8DB46C9A73d9Ac5a38041e71059f392","slot0()"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0xB6d44183F8DB46C9A73d9Ac5a38041e71059f392","factory()"],"raw_result":"0xdb1d10011ad0ff90774d0c6bb92e5c5c8b4461f7","result_hash":"4b482521d7cb760d72486691996fad9e93bcdcc2309e6fc4881175fe267d7fec","slot":null},{"block":null,"method":"eth_call","params":["0xB6d44183F8DB46C9A73d9Ac5a38041e71059f392","fee()"],"raw_result":"3000","result_hash":"53232d7da9fd2a1931dcd44af08ec415dd52ab8ecc4037ef5e68eb3753978a2e","slot":null},{"block":null,"method":"eth_call","params":["0xdB1d10011AD0Ff90774D0C6Bb92e5C5c8b4461F7","getPool","0x18d0e455B3491E09210292d3953157A4Bf104444","0x68fa48B1C2FE52b3D776E1953e0E782b5044Ce28","0xbb8"],"raw_result":"0xb6d44183f8db46c9a73d9ac5a38041e71059f392","result_hash":"576bf5d1e72eaa7e9179ff431082d4a66c66690fd32043f9653a03af5860ba56","slot":null},{"block":null,"method":"eth_call","params":["0x18d0e455B3491E09210292d3953157A4Bf104444","symbol()"],"raw_result":"Some(\"比特币\")","result_hash":"713201f538a68ecc1b2cfb0b153ffa8a29f7202e140546ed5e41cd6217f174c0","slot":null},{"block":null,"method":"eth_call","params":["0x18d0e455B3491E09210292d3953157A4Bf104444","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x18d0e455B3491E09210292d3953157A4Bf104444","balanceOf","0xB6d44183F8DB46C9A73d9Ac5a38041e71059f392"],"raw_result":"Some(\"4750511622621232531874\")","result_hash":"eb76ee688d0f758774e06078852847745b753c2762fe5ca370682dfe5f3e9be2","slot":null},{"block":null,"method":"eth_call","params":["0x68fa48B1C2FE52b3D776E1953e0E782b5044Ce28","symbol()"],"raw_result":"Some(\"SPCXx\")","result_hash":"965a6f237aaee688ad603e4d33f980be96f2d8a203b54e7af87e31a5fa74821b","slot":null},{"block":null,"method":"eth_call","params":["0x68fa48B1C2FE52b3D776E1953e0E782b5044Ce28","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x68fa48B1C2FE52b3D776E1953e0E782b5044Ce28","balanceOf","0xB6d44183F8DB46C9A73d9Ac5a38041e71059f392"],"raw_result":"Some(\"2426971477328599669\")","result_hash":"22a60960e0477733e5addd47851ab7150715dfa132b91b8e8fd27b4b76f8183a","slot":null},{"block":null,"method":"eth_call","params":["0x18d0e455B3491E09210292d3953157A4Bf104444","symbol()"],"raw_result":"Some(\"比特币\")","result_hash":"713201f538a68ecc1b2cfb0b153ffa8a29f7202e140546ed5e41cd6217f174c0","slot":null},{"block":null,"method":"eth_call","params":["0x18d0e455B3491E09210292d3953157A4Bf104444","name()"],"raw_result":"Some(\"比特币\")","result_hash":"713201f538a68ecc1b2cfb0b153ffa8a29f7202e140546ed5e41cd6217f174c0","slot":null},{"block":null,"method":"eth_call","params":["0x18d0e455B3491E09210292d3953157A4Bf104444","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x18d0e455B3491E09210292d3953157A4Bf104444","totalSupply()"],"raw_result":"Some(\"1000000000000000000000000000\")","result_hash":"9a5063c327faec672db6b50450571675cbfbcc3766ebaf6832c3a9f6636ff4d0","slot":null},{"block":null,"method":"eth_call","params":["0x68fa48B1C2FE52b3D776E1953e0E782b5044Ce28","symbol()"],"raw_result":"Some(\"SPCXx\")","result_hash":"965a6f237aaee688ad603e4d33f980be96f2d8a203b54e7af87e31a5fa74821b","slot":null},{"block":null,"method":"eth_call","params":["0x68fa48B1C2FE52b3D776E1953e0E782b5044Ce28","name()"],"raw_result":"Some(\"SpaceX xStock\")","result_hash":"f3e330aa060e551d81d53f26682fa521fc98ad2f6852293752beef7a3402d2ba","slot":null},{"block":null,"method":"eth_call","params":["0x68fa48B1C2FE52b3D776E1953e0E782b5044Ce28","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x68fa48B1C2FE52b3D776E1953e0E782b5044Ce28","totalSupply()"],"raw_result":"Some(\"30000000000000000000000\")","result_hash":"f58df2281be0e1c0220b2420756d44903745865f20558e1b9dbb1329a68c48b7","slot":null},{"block":null,"method":"eth_getCode","params":["0x68fa48B1C2FE52b3D776E1953e0E782b5044Ce28","latest"],"result_hash":"71ee049d0c0cab5d785d7aef2e6b591e511475fb8ef465f4d8f5335bfd412bfd","slot":null},{"block":null,"method":"eth_getCode","params":["0x68fa48B1C2FE52b3D776E1953e0E782b5044Ce28","latest"],"result_hash":"71ee049d0c0cab5d785d7aef2e6b591e511475fb8ef465f4d8f5335bfd412bfd","slot":null}],"registry_entry":{"chain":"bnb","contract":"0x68fa48B1C2FE52b3D776E1953e0E782b5044Ce28","decimals":null,"issuer":"Backed xStocks","last_checked":"2026-10-19T14:40:19Z","name":"SpaceX","source":"xstocks-api","source_url":"https://api.xstocks.fi/api/v2/public/assets","ticker":"SPCX"},"registry_hash":"92e84a5097c412088157ecc6f5394b143eea965b7cf43a01187023b0d9844862","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0xB6d44183F8DB46C9A73d9Ac5a38041e71059f392","ticker":"SPCX","verdict":{"Verified":{"issuer":"Backed xStocks","ticker":"SPCX"}},"version":1}
Signature
7E18+j6soQ+85Dl0VMh/rnaz0/s7xLzKPRozq6q3v8P/sTX6VYlud75+i5a6XnT610G3QWiGg4+q9ei1uchnAw==
API call
GET /api/attest/90acd65b7605fc8aad75fcc483c1db1f504297e0a62d877478add3ac07b3a5d2
  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.