AVGOx/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":"2026-09-29T23:03:59Z","dev":false,"expires_at":"2026-09-30T23:03:59Z","issuer":"Backed xStocks","pool":{"base":{"address":"XsgSaSvNSqLTtFuyWPBhK9196Xb9Bbdyjj4fH3cPJGo","balance":"25657104830","decimals":8,"symbol":"AVGOx"},"chain":"Solana","dex":"raydium-clmm","pool":"EkpbWmPzrzFsv2xkJRdvWs61aRuDBVdrJK7WQmctBFnB","quote":{"address":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","balance":"50279094676","decimals":6,"symbol":null}},"quote_share_of_supply":0.005628905342823939,"reads":[{"block":null,"method":"getSlot","params":[{"commitment":"confirmed"}],"result_hash":"3e44adc4a1d351f28219e5f58851ad57bf0c9b3e1370aa474e46e3e3529c7e43","slot":451783937},{"block":null,"method":"getAccountInfo","params":["EkpbWmPzrzFsv2xkJRdvWs61aRuDBVdrJK7WQmctBFnB",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":451783938},"value":{"data":["9+3j9dfD3kb9hcSznTxVnguaIJxiZkAnurDmn3MWR0PC2GLghp2KJqFQIcNk9tpSiQC8oDT2wX2Z/cwlAgCsYJuMnO0vKy+YZwfounUlEPKzdfXyY4hS3yZNS63k1K8R6X9vGOBxE7jYxvp6877brTo9ZfNqq8l0MbG75MLS9uDkfKYCA0UvXWHJWcbU26lcmvJXux9zFOkan3PLzmMhSI38EQ1Dk4Bm/7UodSbh9AsmMhzRzI/VpS+WUU49U1dPpOxdUc0QFkD0fqEzZokMwnGbEjLrc5kby26B+0hr6LfggPkB3lESXX8IBngA2PoQeDUAAAAAAAAAAAAAADe6LuG61h7mAQAAAAAAAAAaMgAAAAAAAPhIXaiSnF4GAAAAAAAAAACs6AwesKPIGAAAAAAAAAAAEVQAAAAAAABDrTgAAAAAAGtGwkoCAAAAAAAAAAAAAAAVB4SLCQAAAAAAAAAAAAAA/1X0CwoAAAAAAAAAAAAAAO7shmACAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABQIcNk9tpSiQC8oDT2wX2Z/cwlAgCsYJuMnO0vKy+YZwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAUCHDZPbaUokAvKA09sF9mf3MJQIArGCbjJztLysvmGcAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFAhw2T22lKJALygNPbBfZn9zCUCAKxgm4yc7S8rL5hnAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAkMftBAAAAABc64EAAAAAAG++mhUAAAAAx4kyAgAAAAAQGQAAAAAAADtKAwAAAAAAAAAAAAAAAAAVBAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=","base64"],"executable":false,"lamports":11642127,"owner":"CAMMCzo5YL8w4VFF8KVHrK22GGUsp5VTaW7grrKgrWqK","rentEpoch":18446744073709551615,"space":1544}},"result_hash":"62d9eb61136258cecfbd3d71e1faede7ff7a88a61527ed5ec59e2ddfdf4883ed","slot":null},{"block":null,"method":"getTokenAccountBalance","params":["DCAaJgog8wYZSdztuVbYfaj9dcyduLgTsDjdDyXtu94P",{"commitment":"confirmed"}],"result_hash":"2f7a28d2618b23d9852fda77043f5664f3dbec0b42ebadf12a18c07f835f000b","slot":null},{"block":null,"method":"getTokenAccountBalance","params":["EYzM5dtsr1ccyAmHud3mKrB8ndRP4aprzXSnPZ9Kmsga",{"commitment":"confirmed"}],"result_hash":"72ac0a4713dc30acab3e26f1274e34ac6e3ca7732ef6aef4dff0bb1952fd051e","slot":null},{"block":null,"method":"getMultipleAccounts","params":[["XsgSaSvNSqLTtFuyWPBhK9196Xb9Bbdyjj4fH3cPJGo","EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v"],{"commitment":"confirmed","encoding":"base64"}],"result_hash":"bfa91f8b2ab8cee0861418fe7f6df1b69cec73c8e8fa6a4ebed1162c998cf848","slot":null},{"block":null,"method":"getTokenSupply","params":["EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",{"commitment":"confirmed"}],"result_hash":"1905425b49079a261c6fb9cb1c35a695979b9de19b618d6dec0fff94a4b3daa8","slot":null},{"block":null,"method":"getAccountInfo","params":["EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":451783943},"value":{"data":["AQAAAJj+huiNm+Lqi8HMpIeLKYjCQPUrhCS/tA7Rot3LXhmbTi/BQKYqHAAGAQEAAABicKqKWcWUBbRShshncubNEm6bil06OFNtN/e0FOi2Zw==","base64"],"executable":false,"lamports":534808027998,"owner":"TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA","rentEpoch":18446744073709551615,"space":82}},"result_hash":"7c7dabd3758183aaaa593975458eef64ed0bb7de33827834e45a479e42998e70","slot":null},{"block":null,"method":"getTokenSupply","params":["XsgSaSvNSqLTtFuyWPBhK9196Xb9Bbdyjj4fH3cPJGo",{"commitment":"confirmed"}],"result_hash":"f7dd6616c81b61bd17bcbd717662e0b22a9eca3a9c569bc8bbcec058c216a5c1","slot":null},{"block":null,"method":"getAccountInfo","params":["XsgSaSvNSqLTtFuyWPBhK9196Xb9Bbdyjj4fH3cPJGo",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":451783962},"value":{"data":["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","base64"],"executable":false,"lamports":200661894,"owner":"TokenzQdBNbLqP5VEhdkAS6EPFLC1PHnBqCXEpPxuEb","rentEpoch":18446744073709551615,"space":681}},"result_hash":"b2e9d9c0be29ce4ca9478d54ef23da489435b21b481ee1c70e4127568b0c4b57","slot":null}],"registry_entry":{"chain":"Solana","contract":"XsgSaSvNSqLTtFuyWPBhK9196Xb9Bbdyjj4fH3cPJGo","decimals":null,"issuer":"Backed xStocks","last_checked":"2026-09-29T22:37:23Z","name":"Broadcom","source":"xstocks-api","source_url":"https://api.xstocks.fi/api/v2/public/assets","ticker":"AVGO"},"registry_hash":"d6272adf0af69a1c2c18f6a79db79616f69be8189283a420b5ba6e572aa0e4ad","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":451783937,"subject":"EkpbWmPzrzFsv2xkJRdvWs61aRuDBVdrJK7WQmctBFnB","ticker":"AVGO","verdict":{"Verified":{"issuer":"Backed xStocks","ticker":"AVGO"}},"version":1}

Signature

WrsLWFmjuR1spM7XWi/vDVw1EqJv9diu97o+fjHu3PFPX49BymKee5qjWokCRABL6P9VzjWmKU5aYlb1kXIGCw==

API call

GET /api/attest/8ed0a36fd80473eeb5b5ad58575fe7971da6452447666b12eb3023ad2946e9ae

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.