CRCLx/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":"2026-09-29T22:53:48Z","dev":false,"expires_at":"2026-09-30T22:53:48Z","issuer":"Backed xStocks","pool":{"base":{"address":"XsueG8BtpquVJX9LVLLEGuViXUungE6WmK5YZ3p3bd1","balance":"1834608535764","decimals":8,"symbol":"CRCLx"},"chain":"Solana","dex":"raydium-clmm","pool":"GYqHjuDzTiw7i52Xv1qohDE6eJr6eSZpsrBVikGZyaFV","quote":{"address":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","balance":"1022031093899","decimals":6,"symbol":null}},"quote_share_of_supply":0.02234391129977429,"reads":[{"block":null,"method":"getSlot","params":[{"commitment":"confirmed"}],"result_hash":"14baa975a04ae6d4db69f554bd8e60b9dbb3f8b0e4ac7bd963bf830cb4bf0101","slot":451781619},{"block":null,"method":"getAccountInfo","params":["GYqHjuDzTiw7i52Xv1qohDE6eJr6eSZpsrBVikGZyaFV",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":451781625},"value":{"data":["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","base64"],"executable":false,"lamports":21637127,"owner":"CAMMCzo5YL8w4VFF8KVHrK22GGUsp5VTaW7grrKgrWqK","rentEpoch":18446744073709551615,"space":1544}},"result_hash":"0c96da5c74c7ca9fa05dc8404496197c4d00759487e395f3a2c90384b93393b2","slot":null},{"block":null,"method":"getTokenAccountBalance","params":["DMQver7kdMua1ANBY1rJPEFCX594zWn81ihv2yMVFEsF",{"commitment":"confirmed"}],"result_hash":"cd0a2aaa40160e212f374756ca3888853a1209f57c92628f1e3b6a8a3c2bf03c","slot":null},{"block":null,"method":"getTokenAccountBalance","params":["8awg4iLSUmmmrkUGgj3T8VuWyvHRPudsLz8skyb3xV92",{"commitment":"confirmed"}],"result_hash":"66848d8646294e6f68247f78220201a871e7782255815d97398b395435dbf70b","slot":null},{"block":null,"method":"getMultipleAccounts","params":[["XsueG8BtpquVJX9LVLLEGuViXUungE6WmK5YZ3p3bd1","EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v"],{"commitment":"confirmed","encoding":"base64"}],"result_hash":"b2134f5f805fb6e040c28e70bfcc58bccdd842878b29150e8f0457c9d3b59afd","slot":null},{"block":null,"method":"getTokenSupply","params":["EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",{"commitment":"confirmed"}],"result_hash":"b3acdccafdd26563d29b8774321e61fbe260d026b59c0edf90e0f7a4490f031e","slot":null},{"block":null,"method":"getAccountInfo","params":["EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":451781651},"value":{"data":["AQAAAJj+huiNm+Lqi8HMpIeLKYjCQPUrhCS/tA7Rot3LXhmb5UVac60qHAAGAQEAAABicKqKWcWUBbRShshncubNEm6bil06OFNtN/e0FOi2Zw==","base64"],"executable":false,"lamports":534808027998,"owner":"TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA","rentEpoch":18446744073709551615,"space":82}},"result_hash":"f92138e635734b2ee40cf1c7bb783a80fd975e8bb3389460c786205f77373679","slot":null},{"block":null,"method":"getTokenSupply","params":["XsueG8BtpquVJX9LVLLEGuViXUungE6WmK5YZ3p3bd1",{"commitment":"confirmed"}],"result_hash":"bce6fc9bba481884d2f0aaed7d77bc4c96effbf799b2fbc34479bba81beb4de9","slot":null},{"block":null,"method":"getAccountInfo","params":["XsueG8BtpquVJX9LVLLEGuViXUungE6WmK5YZ3p3bd1",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":451781685},"value":{"data":["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","base64"],"executable":false,"lamports":2477494330,"owner":"TokenzQdBNbLqP5VEhdkAS6EPFLC1PHnBqCXEpPxuEb","rentEpoch":18446744073709551615,"space":679}},"result_hash":"ec2437708d1cb33ca6eb05fe774b4804459adfb8080b1f1ecdea8f52a20d4775","slot":null}],"registry_entry":{"chain":"Solana","contract":"XsueG8BtpquVJX9LVLLEGuViXUungE6WmK5YZ3p3bd1","decimals":null,"issuer":"Backed xStocks","last_checked":"2026-09-29T22:37:23Z","name":"Circle","source":"xstocks-api","source_url":"https://api.xstocks.fi/api/v2/public/assets","ticker":"CRCL"},"registry_hash":"d6272adf0af69a1c2c18f6a79db79616f69be8189283a420b5ba6e572aa0e4ad","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":451781619,"subject":"GYqHjuDzTiw7i52Xv1qohDE6eJr6eSZpsrBVikGZyaFV","ticker":"CRCL","verdict":{"Verified":{"issuer":"Backed xStocks","ticker":"CRCL"}},"version":1}

Signature

69alN3BmZmRgKmNE5JFfUMz03WvmhqwDua5IVd+c4NwfPJQIsgB6rOBV/AbQNzHcovAphr46MJwzBPj0DRNwBw==

API call

GET /api/attest/1f10e03be0ca01f9eec92553156867793b932bbe0e644433b2c6cd3f515c5253

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.