雪王币/MIXUx

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":125274171,"chain":"Bnb","checked_at":"2026-10-02T10:11:31Z","dev":false,"expires_at":"2026-10-03T10:11:31Z","issuer":"Backed xStocks","pool":{"base":{"address":"0x49fC22a4c4122C2c8B629E3B123540053Cb8801c","balance":"994511146824815813031739393","decimals":18,"symbol":"雪王币"},"chain":"Bnb","dex":"pancake-v3","pool":"0x6fea0c6050facb8D436F356B9E5D2e905fA7f6E7","quote":{"address":"0x8Fa39Ff32B316E2296630aA05BDD6A4a2e4b7598","balance":"5059541314839604399","decimals":18,"symbol":"MIXUx"}},"quote_share_of_supply":0.000041436728728183694,"reads":[{"block":null,"method":"eth_getCode","params":["0x6fea0c6050facb8D436F356B9E5D2e905fA7f6E7","latest"],"result_hash":"1c9409806518d1a5f52d79299ea0289ea2ff527e05895cd8f7a36d4cca28a13e","slot":null},{"block":null,"method":"eth_getCode","params":["0x6fea0c6050facb8D436F356B9E5D2e905fA7f6E7","latest"],"result_hash":"1c9409806518d1a5f52d79299ea0289ea2ff527e05895cd8f7a36d4cca28a13e","slot":null},{"block":null,"method":"eth_getCode","params":["0x6fea0c6050facb8D436F356B9E5D2e905fA7f6E7","latest"],"result_hash":"1c9409806518d1a5f52d79299ea0289ea2ff527e05895cd8f7a36d4cca28a13e","slot":null},{"block":null,"method":"eth_getCode","params":["0x6fea0c6050facb8D436F356B9E5D2e905fA7f6E7","latest"],"result_hash":"3e4cd6f2e88dec93b29f09e90c111c2b9f9dde408dc71e92f6548608ffb40d6d","slot":null},{"block":125274171,"method":"eth_blockNumber","params":[],"result_hash":"b6ef410f06cfa3407d3adc4f69e3f7da1691a43f04834c9b3c568e175e563725","slot":null},{"block":null,"method":"eth_call","params":["0x6fea0c6050facb8D436F356B9E5D2e905fA7f6E7","token0()"],"raw_result":"0x49fc22a4c4122c2c8b629e3b123540053cb8801c","result_hash":"bf9b5b75b644fd4669ab605572e8f277bf1e916b71e410fda03b079f6dfcc9ca","slot":null},{"block":null,"method":"eth_call","params":["0x6fea0c6050facb8D436F356B9E5D2e905fA7f6E7","token1()"],"raw_result":"0x8fa39ff32b316e2296630aa05bdd6a4a2e4b7598","result_hash":"f1d19d09f954a5d48c4b1789e15c072b793c422b51630f3c8bff4cef41c711d6","slot":null},{"block":null,"method":"eth_call","params":["0x6fea0c6050facb8D436F356B9E5D2e905fA7f6E7","getReserves()"],"raw_result":"false","result_hash":"076de6e730df0b4c3860877a0f619c6ac11f8aefd78313ac793a2a703c026869","slot":null},{"block":null,"method":"eth_call","params":["0x6fea0c6050facb8D436F356B9E5D2e905fA7f6E7","slot0()"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0x6fea0c6050facb8D436F356B9E5D2e905fA7f6E7","factory()"],"raw_result":"Some(0x0bfbcf9fa4f9c56b0f40a671ad40e0805a091865)","result_hash":"da1f4544b9417a11911907f7a632e9c00b511a10bfd124a8879882f21abb2fe7","slot":null},{"block":null,"method":"eth_call","params":["0x49fC22a4c4122C2c8B629E3B123540053Cb8801c","symbol()"],"raw_result":"Some(\"雪王币\")","result_hash":"700598755cf66841b982655fab776a21e691d1fb0f24033a7fef42ca47e68bbf","slot":null},{"block":null,"method":"eth_call","params":["0x49fC22a4c4122C2c8B629E3B123540053Cb8801c","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x49fC22a4c4122C2c8B629E3B123540053Cb8801c","balanceOf","0x6fea0c6050facb8D436F356B9E5D2e905fA7f6E7"],"raw_result":"Some(\"994511146824815813031739393\")","result_hash":"5b37e23dd1daee01a2f311079151bdc0823560b6eef67974e518de1e903c03bb","slot":null},{"block":null,"method":"eth_call","params":["0x8Fa39Ff32B316E2296630aA05BDD6A4a2e4b7598","symbol()"],"raw_result":"Some(\"MIXUx\")","result_hash":"608569a7f7f0a792a7cef5cd4964be1828b45252c077193c085bcb513bd35b9a","slot":null},{"block":null,"method":"eth_call","params":["0x8Fa39Ff32B316E2296630aA05BDD6A4a2e4b7598","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x8Fa39Ff32B316E2296630aA05BDD6A4a2e4b7598","balanceOf","0x6fea0c6050facb8D436F356B9E5D2e905fA7f6E7"],"raw_result":"Some(\"5059541314839604399\")","result_hash":"30bd8e3b13a2033b430f25fee4e4f9d024673caf77985afff192c89cbba7df11","slot":null},{"block":null,"method":"eth_call","params":["0x49fC22a4c4122C2c8B629E3B123540053Cb8801c","symbol()"],"raw_result":"Some(\"雪王币\")","result_hash":"700598755cf66841b982655fab776a21e691d1fb0f24033a7fef42ca47e68bbf","slot":null},{"block":null,"method":"eth_call","params":["0x49fC22a4c4122C2c8B629E3B123540053Cb8801c","name()"],"raw_result":"Some(\"雪王币\")","result_hash":"700598755cf66841b982655fab776a21e691d1fb0f24033a7fef42ca47e68bbf","slot":null},{"block":null,"method":"eth_call","params":["0x49fC22a4c4122C2c8B629E3B123540053Cb8801c","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x49fC22a4c4122C2c8B629E3B123540053Cb8801c","totalSupply()"],"raw_result":"Some(\"1000000000000000000000000000\")","result_hash":"9a5063c327faec672db6b50450571675cbfbcc3766ebaf6832c3a9f6636ff4d0","slot":null},{"block":null,"method":"eth_call","params":["0x8F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xStock\")","result_hash":"eb0a588b371b8ee558ea65c2c72f49e31e1be2ce932a74635b232c6bcf723747","slot":null},{"block":null,"method":"eth_call","params":["0x8Fa39Ff32B316E2296630aA05BDD6A4a2e4b7598","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x8Fa39Ff32B316E2296630aA05BDD6A4a2e4b7598","totalSupply()"],"raw_result":"Some(\"122102817238038771453000\")","result_hash":"06d0ccb2146d3069cc56c665fe92fde3efc4781c64e89aa21f28be2edaf4b143","slot":null},{"block":null,"method":"eth_getCode","params":["0x8Fa39Ff32B316E2296630aA05BDD6A4a2e4b7598","latest"],"result_hash":"71ee049d0c0cab5d785d7aef2e6b591e511475fb8ef465f4d8f5335bfd412bfd","slot":null},{"block":null,"method":"eth_getCode","params":["0x8Fa39Ff32B316E2296630aA05BDD6A4a2e4b7598","latest"],"result_hash":"71ee049d0c0cab5d785d7aef2e6b591e511475fb8ef465f4d8f5335bfd412bfd","slot":null}],"registry_entry":{"chain":"Bnb","contract":"0x8Fa39Ff32B316E2296630aA05BDD6A4a2e4b7598","decimals":null,"issuer":"Backed xStocks","last_checked":"2026-10-02T09:57:54Z","name":"Mixue","source":"xstocks-api","source_url":"https://api.xstocks.fi/api/v2/public/assets","ticker":"2097"},"registry_hash":"d38c26e947d760e0ffa55ff8aa6fb36e05ddb830c85c0b189bae4283b626d100","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0x6fea0c6050facb8D436F356B9E5D2e905fA7f6E7","ticker":"2097","verdict":{"Verified":{"issuer":"Backed xStocks","ticker":"2097"}},"version":1}

Signature

uOvth7coxPO03hVU7xsphlTB/Q9JhB5RTylCeJj4VBjjJ7B/V3iu7DLgEoz4LFi5KZipMGB0gU6DDWqdDazEAw==

API call

GET /api/attest/4645e8904f8555a1e951582f9f73e8ccb55965dd4e58fb33c04bae18acdbae35

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.