KOx/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":"2026-09-30T00:22:28Z","dev":false,"expires_at":"2026-10-01T00:22:28Z","issuer":"Backed xStocks","pool":{"base":{"address":"XsaBXg8dU5cPM6ehmVctMkVqoiRG2ZjMo1cyBJ3AykQ","balance":"23809670124","decimals":8,"symbol":"KOx"},"chain":"Solana","dex":"raydium-clmm","pool":"7HNwUP5rSUo9GfdDthJn4UCdw2Px6h2aprSedD7r7J3C","quote":{"address":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","balance":"19196850174","decimals":6,"symbol":null}},"quote_share_of_supply":0.0011272297218215615,"reads":[{"block":null,"method":"getSlot","params":[{"commitment":"confirmed"}],"result_hash":"8b3bf03d0ccc67b00f6fb0d2caf29cac0041f7d84c7f52e422496cb84bc51f7e","slot":451801513},{"block":null,"method":"getAccountInfo","params":["7HNwUP5rSUo9GfdDthJn4UCdw2Px6h2aprSedD7r7J3C",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":451801514},"value":{"data":["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","base64"],"executable":false,"lamports":11647147,"owner":"CAMMCzo5YL8w4VFF8KVHrK22GGUsp5VTaW7grrKgrWqK","rentEpoch":18446744073709551615,"space":1544}},"result_hash":"dfa8cd6af443558ab7823ca6aee6272887d0ff4f26bec4f47d644803ba4c6382","slot":null},{"block":null,"method":"getTokenAccountBalance","params":["9U6aKhHYFB3ViSPqQzKbkUPFg7hYahLk6njnzy15Smf6",{"commitment":"confirmed"}],"result_hash":"8d5c7cbe7eb7d4954c2185f4ee4b95cb191fbbe592bbaa8672e4b300cc0d1071","slot":null},{"block":null,"method":"getTokenAccountBalance","params":["4Rq5cbWuaEHfzzwmbpuvkF4CbmWETXvo11aaaZm7dcQe",{"commitment":"confirmed"}],"result_hash":"a6da74fa1e85289c610292e7ec0563b0809845ced651f489d00c68702f00d9b5","slot":null},{"block":null,"method":"getMultipleAccounts","params":[["XsaBXg8dU5cPM6ehmVctMkVqoiRG2ZjMo1cyBJ3AykQ","EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v"],{"commitment":"confirmed","encoding":"base64"}],"result_hash":"4f4e13f5b77b3d463cc0f8103c956c5a98dc90fb3da12cd0c35d9b47a16e4df9","slot":null},{"block":null,"method":"getTokenSupply","params":["EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",{"commitment":"confirmed"}],"result_hash":"8a8a6a311b281a79ace27030895cb756e0613af5d79a4cad192acb03cf8f3c11","slot":null},{"block":null,"method":"getAccountInfo","params":["EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":451801531},"value":{"data":["AQAAAJj+huiNm+Lqi8HMpIeLKYjCQPUrhCS/tA7Rot3LXhmbmxGMU3b0GwAGAQEAAABicKqKWcWUBbRShshncubNEm6bil06OFNtN/e0FOi2Zw==","base64"],"executable":false,"lamports":534808027998,"owner":"TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA","rentEpoch":18446744073709551615,"space":82}},"result_hash":"32c01cf42780b14c3af1f5bbb499b10473d607bab0ff890db73cc16d6017279b","slot":null},{"block":null,"method":"getTokenSupply","params":["XsaBXg8dU5cPM6ehmVctMkVqoiRG2ZjMo1cyBJ3AykQ",{"commitment":"confirmed"}],"result_hash":"d8f271f935f03227cb22f3ec97f71ed3d338d73afab1cb2ae3ab28bdca1c9c0c","slot":null},{"block":null,"method":"getAccountInfo","params":["XsaBXg8dU5cPM6ehmVctMkVqoiRG2ZjMo1cyBJ3AykQ",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":451801550},"value":{"data":["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","base64"],"executable":false,"lamports":6321854,"owner":"TokenzQdBNbLqP5VEhdkAS6EPFLC1PHnBqCXEpPxuEb","rentEpoch":18446744073709551615,"space":678}},"result_hash":"d87c57583b1f25551ceed143c11d26577c0d4bf743cfd096dd3b00df7f0cdaca","slot":null}],"registry_entry":{"chain":"Solana","contract":"XsaBXg8dU5cPM6ehmVctMkVqoiRG2ZjMo1cyBJ3AykQ","decimals":null,"issuer":"Backed xStocks","last_checked":"2026-09-29T23:37:23Z","name":"Coca-Cola","source":"xstocks-api","source_url":"https://api.xstocks.fi/api/v2/public/assets","ticker":"KO"},"registry_hash":"b3f72fc9046ef9a37e433405d5916bce13581b85d8cce5889f24cf56e53b77b4","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":451801513,"subject":"7HNwUP5rSUo9GfdDthJn4UCdw2Px6h2aprSedD7r7J3C","ticker":"KO","verdict":{"Verified":{"issuer":"Backed xStocks","ticker":"KO"}},"version":1}

Signature

WynVOl4eBst3vGtdYYfvf+UBzXyb5rEKqd8K5m/pty4dNSJlb9xOXS8fIZS3L90Qb/sUjk7VvPhPK+bmnjyKCA==

API call

GET /api/attest/bf01e360fd5307815f0aa9853c584955e3899a2243b38ce92ccfd6ce7800a3fa

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.