STRCx/Unknown

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":null,"chain":"Solana","checked_at":"2026-09-30T00:17:00Z","dev":false,"expires_at":"2026-10-01T00:17:00Z","issuer":"Backed xStocks","pool":{"base":{"address":"Xs78JED6PFZxWc2wCEPspZW9kL3Se5J7L5TChKgsidH","balance":"93663780310","decimals":8,"symbol":"STRCx"},"chain":"Solana","dex":"raydium-clmm","pool":"DU9dgBU6Yh2JjsYcjtRY21G14dhQxn6Xm5PT949Sa4tA","quote":{"address":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","balance":"122722967688","decimals":6,"symbol":null}},"quote_share_of_supply":0.0019931882489677495,"reads":[{"block":null,"method":"getSlot","params":[{"commitment":"confirmed"}],"result_hash":"a4ed4e2443e0b802a916630f2a57ef3d7213b76fa337060de2ef8d42904eac81","slot":451800284},{"block":null,"method":"getAccountInfo","params":["DU9dgBU6Yh2JjsYcjtRY21G14dhQxn6Xm5PT949Sa4tA",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":451800285},"value":{"data":["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","base64"],"executable":false,"lamports":11647120,"owner":"CAMMCzo5YL8w4VFF8KVHrK22GGUsp5VTaW7grrKgrWqK","rentEpoch":18446744073709551615,"space":1544}},"result_hash":"491deefbdab40615048ecae830be48e3bf77963e2b7d1badcb39ee080611ebd9","slot":null},{"block":null,"method":"getTokenAccountBalance","params":["CkcDtniHJTCifvDFEb1dTJmnSHDwseFGUDx8eBHqn8NE",{"commitment":"confirmed"}],"result_hash":"4d1ed9f7c5002bee2b6308d5ba28622436e8addc2c1c97b91c4c60ab5a002988","slot":null},{"block":null,"method":"getTokenAccountBalance","params":["9thvy3baPRwCfg7q4Boei8ug4Y5Yj5hnhykJ2Q8PHVcB",{"commitment":"confirmed"}],"result_hash":"57244d967084d580072b3bce9d8440e0cf9547cf203cf29e063d5a05b1bc3494","slot":null},{"block":null,"method":"getMultipleAccounts","params":[["Xs78JED6PFZxWc2wCEPspZW9kL3Se5J7L5TChKgsidH","EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v"],{"commitment":"confirmed","encoding":"base64"}],"result_hash":"c31922a6cb929a3d94849c01fc05c3552b6d4b02689b6de87b22fc2dd01fba5b","slot":null},{"block":null,"method":"getTokenSupply","params":["EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",{"commitment":"confirmed"}],"result_hash":"ab15546ad800555a1db4a3d5a5004d6166ce1dfbb0db6656f728e1b15baadddc","slot":null},{"block":null,"method":"getAccountInfo","params":["EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":451800300},"value":{"data":["AQAAAJj+huiNm+Lqi8HMpIeLKYjCQPUrhCS/tA7Rot3LXhmbJPDCSZMpHAAGAQEAAABicKqKWcWUBbRShshncubNEm6bil06OFNtN/e0FOi2Zw==","base64"],"executable":false,"lamports":534808027998,"owner":"TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA","rentEpoch":18446744073709551615,"space":82}},"result_hash":"54c0af5a8be8a956d3365dcc306b8a4349a4a9ec7ea0a5ac48be620ebd6c6c96","slot":null},{"block":null,"method":"getTokenSupply","params":["Xs78JED6PFZxWc2wCEPspZW9kL3Se5J7L5TChKgsidH",{"commitment":"confirmed"}],"result_hash":"9643d2ced943988354b6a3ba224e3afed77b660af6294701d058c4f19521cc0d","slot":null},{"block":null,"method":"getAccountInfo","params":["Xs78JED6PFZxWc2wCEPspZW9kL3Se5J7L5TChKgsidH",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":451800321},"value":{"data":["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","base64"],"executable":false,"lamports":5714160,"owner":"TokenzQdBNbLqP5VEhdkAS6EPFLC1PHnBqCXEpPxuEb","rentEpoch":18446744073709551615,"space":693}},"result_hash":"c409dca68adf4548908048541daa95290e658aeb8da1fe55addf1c54eea9c113","slot":null}],"registry_entry":{"chain":"Solana","contract":"Xs78JED6PFZxWc2wCEPspZW9kL3Se5J7L5TChKgsidH","decimals":null,"issuer":"Backed xStocks","last_checked":"2026-09-29T23:37:23Z","name":"Strategy PP Variable","source":"xstocks-api","source_url":"https://api.xstocks.fi/api/v2/public/assets","ticker":"STRC"},"registry_hash":"b3f72fc9046ef9a37e433405d5916bce13581b85d8cce5889f24cf56e53b77b4","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":451800284,"subject":"DU9dgBU6Yh2JjsYcjtRY21G14dhQxn6Xm5PT949Sa4tA","ticker":"STRC","verdict":{"Verified":{"issuer":"Backed xStocks","ticker":"STRC"}},"version":1}

Signature

GEkijN48ZjIRWU9HMOi0thYOREZDcxb18daxvyYAf/fzGy3MFtqlCSEX1VZs5UAEMZp7JZDUHKStICiEhEc2DA==

API call

GET /api/attest/7e4fa62528b4e8bdb59de0a152ec01e1ab998c84dff878330267cd44a0a31104

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.