MSTRx/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":"2026-09-30T00:15:19Z","dev":false,"expires_at":"2026-10-01T00:15:19Z","issuer":"Backed xStocks","pool":{"base":{"address":"XsP7xzNPvEHS1m6qfanPUGjNmdnmsLKEoNAnHjdxxyZ","balance":"272978655591","decimals":8,"symbol":"MSTRx"},"chain":"Solana","dex":"raydium-clmm","pool":"RyhF4cksVZY7vcqJpoytHcxcGNKRp27PEGhSnEPpbGv","quote":{"address":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","balance":"265731992290","decimals":6,"symbol":null}},"quote_share_of_supply":0.005613198353950293,"reads":[{"block":null,"method":"getSlot","params":[{"commitment":"confirmed"}],"result_hash":"2137ef5c3a01714bc96a17bdde0f81ddd4dba52d3d83048cfc1242028dbb794a","slot":451799898},{"block":null,"method":"getAccountInfo","params":["RyhF4cksVZY7vcqJpoytHcxcGNKRp27PEGhSnEPpbGv",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":451799899},"value":{"data":["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","base64"],"executable":false,"lamports":11647167,"owner":"CAMMCzo5YL8w4VFF8KVHrK22GGUsp5VTaW7grrKgrWqK","rentEpoch":18446744073709551615,"space":1544}},"result_hash":"66bdfe253d434770312428ac133ec0f7c79744a62e458895198507e420707fac","slot":null},{"block":null,"method":"getTokenAccountBalance","params":["5f4k3xxs72HdW42oLgAuvK9apEarYKVKH1Eb76Z8eh5J",{"commitment":"confirmed"}],"result_hash":"239307717372f11233a9c241962af449d6ede1a1e15a02b7b14bbb89b0ca3835","slot":null},{"block":null,"method":"getTokenAccountBalance","params":["Bny8ExpPhzbJaV9rjkdk7NSNrMHofZVWUCMQG9TECYus",{"commitment":"confirmed"}],"result_hash":"f2542cf7451fc6a53836ceaf9857b522cdcdbbc82430f2f257c09075b94d6e60","slot":null},{"block":null,"method":"getMultipleAccounts","params":[["XsP7xzNPvEHS1m6qfanPUGjNmdnmsLKEoNAnHjdxxyZ","EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v"],{"commitment":"confirmed","encoding":"base64"}],"result_hash":"039e57b911ccd20c8f2e8828988cd439f6527578d0267f645efdad35beaa96d0","slot":null},{"block":null,"method":"getTokenSupply","params":["EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",{"commitment":"confirmed"}],"result_hash":"0660aaa0dc5e07aa23b4cbf90465214893e928a029124d9e2a5885722b3f9f06","slot":null},{"block":null,"method":"getAccountInfo","params":["EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":451799905},"value":{"data":["AQAAAJj+huiNm+Lqi8HMpIeLKYjCQPUrhCS/tA7Rot3LXhmb+YPxeZQpHAAGAQEAAABicKqKWcWUBbRShshncubNEm6bil06OFNtN/e0FOi2Zw==","base64"],"executable":false,"lamports":534808027998,"owner":"TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA","rentEpoch":18446744073709551615,"space":82}},"result_hash":"6c6853c6e9c523d633cbf88dee80fc15e3590851c8b4925bc5098472f06ff33f","slot":null},{"block":null,"method":"getTokenSupply","params":["XsP7xzNPvEHS1m6qfanPUGjNmdnmsLKEoNAnHjdxxyZ",{"commitment":"confirmed"}],"result_hash":"4d9b3e817124add788a8e9e11ea6b94d56c5fbc725c9fe0986afe1bcf49e2243","slot":null},{"block":null,"method":"getAccountInfo","params":["XsP7xzNPvEHS1m6qfanPUGjNmdnmsLKEoNAnHjdxxyZ",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":451799946},"value":{"data":["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","base64"],"executable":false,"lamports":5665440,"owner":"TokenzQdBNbLqP5VEhdkAS6EPFLC1PHnBqCXEpPxuEb","rentEpoch":18446744073709551615,"space":686}},"result_hash":"c38c7137f0451d32ea94b16fd83e1e1b1fc623ebfb21dfc5eaffcfafe0740997","slot":null}],"registry_entry":{"chain":"Solana","contract":"XsP7xzNPvEHS1m6qfanPUGjNmdnmsLKEoNAnHjdxxyZ","decimals":null,"issuer":"Backed xStocks","last_checked":"2026-09-29T23:37:23Z","name":"MicroStrategy","source":"xstocks-api","source_url":"https://api.xstocks.fi/api/v2/public/assets","ticker":"MSTR"},"registry_hash":"b3f72fc9046ef9a37e433405d5916bce13581b85d8cce5889f24cf56e53b77b4","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":451799898,"subject":"RyhF4cksVZY7vcqJpoytHcxcGNKRp27PEGhSnEPpbGv","ticker":"MSTR","verdict":{"Verified":{"issuer":"Backed xStocks","ticker":"MSTR"}},"version":1}

Signature

gYImTFxv/LsylvmnYXLx0q4lEOUQscUTjoAPD8/t9a1ryrZt15i956owxx6YDcW0fkZgHiGfufCfoanxOfa9CA==

API call

GET /api/attest/3f84b17578f6d7f3288bbc8e9a26e4c436bdb0ce3b013adefccacde1c023f6bc

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.