QED certificate
QED record f50585917d69 from . View the live pool page.
Verified · Robinhood FIX
Does FIX / USDG match its issuer's published contract?
The pool's quote contract matches Robinhood's registry entry for FIX.
Verified means the observed quote-token contract matches an issuer-published registry entry on Robinhood Chain. Only the quote-side contract is checked.
This does not prove backing, custody, reserves, price, safety, solvency, or endorsement.Signature valid · contract match
- Subject
- FIX / USDG · Robinhood Chain
- Pool address
-
0x4fdf89b864a4b25f6b92bbd3e380a61a42c6087b485dde3249d99b6b953904ff - Issuer match
- Robinhood · FIX · View FIX contracts
- Checked
- Valid until
- Serial
-
f50585917d69 - Signed by
- QED (key id
GJWKkiUd)
After this time the certificate remains a historical record, but it no longer establishes current pool or registry state. Re-check to create a fresh observation before relying on current facts.
Compare this address with the one you were given before you trade.
Only trust an address you pasted here or opened from this page.
How to verify this yourself
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":92067878,"chain":"robinhood","checked_at":"2026-10-18T20:53:44Z","dev":false,"expires_at":"2026-10-19T20:53:44Z","issuer":"Robinhood","pool":{"base":{"address":"0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","balance":"8686404806","decimals":6,"symbol":"USDG"},"chain":"robinhood","dex":"uniswap-v4","pool":"0x4fdf89b864a4b25f6b92bbd3e380a61a42c6087b485dde3249d99b6b953904ff","quote":{"address":"0x93Dbb1d2Dc5D63F4abACFF30485273f538Df68Ac","balance":"6007478120394532351","decimals":18,"symbol":"FIX"}},"quote_share_of_supply":0.6031604538548727,"reads":[{"block":null,"method":"eth_call","params":["0x58daec3116aae6d93017baaea7749052e8a04fa7","poolKeys","0x4fdf89b864a4b25f6b92bbd3e380a61a42c6087b485dde3249"],"raw_result":"Object {\"currency0\": String(\"0x5fc5360d0400a0fd4f2af552add042d716f1d168\"), \"currency1\": String(\"0x93dbb1d2dc5d63f4abacff30485273f538df68ac\"), \"fee\": String(\"10000\"), \"hooks\": String(\"0x0000000000000000000000000000000000000000\"), \"tickSpacing\": String(\"100\")}","result_hash":"d17708b05e8d66c8538e0e9bb4d1905e240858a642cd0b3a3d547adadf619e86","slot":null},{"block":null,"method":"eth_call","params":["0xf3334192d15450cdd385c8b70e03f9a6bd9e673b","getSlot0","0x4fdf89b864a4b25f6b92bbd3e380a61a42c6087b485dde3249d99b6b953904ff"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0xf3334192d15450cdd385c8b70e03f9a6bd9e673b","getLiquidity","0x4fdf89b864a4b25f6b92bbd3e380a61a42c6087b485dde3249d99b6b953904ff"],"raw_result":"228436833331253","result_hash":"fcc58dd8c6c8812678f197bc863de9368ae372bddc6784006a1a76f674da00ce","slot":null},{"block":null,"method":"eth_call","params":["0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","symbol()"],"raw_result":"Some(\"USDG\")","result_hash":"5cbfd9547b12ffd28d96e5f55c97290c4f230a8d7ad7bbe91dc15f2e61c1a3c5","slot":null},{"block":null,"method":"eth_call","params":["0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","decimals()"],"raw_result":"Some(6)","result_hash":"c68fe6989b1835302197d0af5be845dfab10ed9f9632205eb4ab5b949b9e1a6a","slot":null},{"block":null,"method":"eth_call","params":["0x93Dbb1d2Dc5D63F4abACFF30485273f538Df68Ac","symbol()"],"raw_result":"Some(\"FIX\")","result_hash":"933ff3188f1c188d3c4efd5bbdb7f3495d610a8672f3ca2217957211e3dbf059","slot":null},{"block":null,"method":"eth_call","params":["0x93Dbb1d2Dc5D63F4abACFF30485273f538Df68Ac","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":92067878,"method":"eth_blockNumber","params":[],"result_hash":"e128b37ce2cbe2761061bae9bc58f5a95ae3eaf7f32b8116377d005041c63e4c","slot":null},{"block":null,"method":"eth_call","params":["0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","symbol()"],"raw_result":"Some(\"USDG\")","result_hash":"5cbfd9547b12ffd28d96e5f55c97290c4f230a8d7ad7bbe91dc15f2e61c1a3c5","slot":null},{"block":null,"method":"eth_call","params":["0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","name()"],"raw_result":"Some(\"Global Dollar\")","result_hash":"e34c795a5a7df6a2269bde7247321204357731d7742ef5974b04eb6899db8b11","slot":null},{"block":null,"method":"eth_call","params":["0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","decimals()"],"raw_result":"Some(6)","result_hash":"c68fe6989b1835302197d0af5be845dfab10ed9f9632205eb4ab5b949b9e1a6a","slot":null},{"block":null,"method":"eth_call","params":["0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","totalSupply()"],"raw_result":"Some(\"695806534237576\")","result_hash":"e3cab891cf6513a99bd896f4edad13721a4ea4760aaabefafe80433181eb31ed","slot":null},{"block":null,"method":"eth_call","params":["0x93Dbb1d2Dc5D63F4abACFF30485273f538Df68Ac","symbol()"],"raw_result":"Some(\"FIX\")","result_hash":"933ff3188f1c188d3c4efd5bbdb7f3495d610a8672f3ca2217957211e3dbf059","slot":null},{"block":null,"method":"eth_call","params":["0x93Dbb1d2Dc5D63F4abACFF30485273f538Df68Ac","name()"],"raw_result":"Some(\"Comfort Systems • Robinhood Token\")","result_hash":"2e7555710dd1931c45b924e2f09aaaed9203cd071b1c000f8a9b645e6e260027","slot":null},{"block":null,"method":"eth_call","params":["0x93Dbb1d2Dc5D63F4abACFF30485273f538Df68Ac","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x93Dbb1d2Dc5D63F4abACFF30485273f538Df68Ac","totalSupply()"],"raw_result":"Some(\"9960000000000000000\")","result_hash":"b8999eb077cb29c01cc4815219039ee42e658e10b06828beb373093b615092ab","slot":null},{"block":null,"method":"eth_call","params":["0x93Dbb1d2Dc5D63F4abACFF30485273f538Df68Ac","uiMultiplier()"],"raw_result":"1000000000000000000","result_hash":"46754a2491051f216577f1b9f19516f9be1a28c62f023dcbabd8c5317cdefe4b","slot":null},{"block":null,"method":"eth_getCode","params":["0x93Dbb1d2Dc5D63F4abACFF30485273f538Df68Ac","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null},{"block":null,"method":"eth_getCode","params":["0x93Dbb1d2Dc5D63F4abACFF30485273f538Df68Ac","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null}],"registry_entry":{"chain":"robinhood","contract":"0x93Dbb1d2Dc5D63F4abACFF30485273f538Df68Ac","decimals":18,"issuer":"Robinhood","last_checked":"2026-10-18T20:40:19Z","name":"Comfort Systems","official_deployments":[{"address":"0x93Dbb1d2Dc5D63F4abACFF30485273f538Df68Ac","network":"Robinhood Chain"}],"source":"robinhood-registry","source_url":"https://api.robinhood.com/rhj/assets","ticker":"FIX"},"registry_hash":"232d0be2eda56472709e0cf69b424df4c8dd39a27138a34cf3d57c8f428c0f9e","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0x4fdf89b864a4b25f6b92bbd3e380a61a42c6087b485dde3249d99b6b953904ff","ticker":"FIX","verdict":{"Verified":{"issuer":"Robinhood","ticker":"FIX"}},"version":1}- Signature
5iGHRQatrhe7MTH8JxHPVfc0KWd4SJ6xc4q/PJMusWlpJezg+8Z3n/KHTg8A42r1KzO4dEFWPkmNGEpy4Ti+CA==- API call
GET /api/attest/f50585917d696c930268f7e6d2a5be5a543b60ae754e8faa1c7c861f5c78b007
- Fetch the public key and attestation JSON, then verify the signature with the published key.
- Canonicalize the payload with sorted object keys and no whitespace, then verify its SHA-256 attestation id.
- Run the API call above and compare the returned payload, serial, signer, and signature with this certificate.
- Attestation id
-
f50585917d696c930268f7e6d2a5be5a543b60ae754e8faa1c7c861f5c78b007 - Subject
0x4fdf89b864a4b25f6b92bbd3e380a61a42c6087b485dde3249d99b6b953904ff- Checked at
- Expires at
- Signer
GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn- Registry hash
232d0be2eda56472709e0cf69b424df4c8dd39a27138a34cf3d57c8f428c0f9e- Signature
5iGHRQatrhe7MTH8JxHPVfc0KWd4SJ6xc4q/PJMusWlpJezg+8Z3n/KHTg8A42r1KzO4dEFWPkmNGEpy4Ti+CA==- Block / slot
- 92067878 / unknown
Every read
eth_call · d17708b05e8d
- Parameters
["0x58daec3116aae6d93017baaea7749052e8a04fa7","poolKeys","0x4fdf89b864a4b25f6b92bbd3e380a61a42c6087b485dde3249"]- Result hash
d17708b05e8d66c8538e0e9bb4d1905e240858a642cd0b3a3d547adadf619e86- Raw result
"Object {\"currency0\": String(\"0x5fc5360d0400a0fd4f2af552add042d716f1d168\"), \"currency1\": String(\"0x93dbb1d2dc5d63f4abacff30485273f538df68ac\"), \"fee\": String(\"10000\"), \"hooks\": String(\"0x0000000000000000000000000000000000000000\"), \"tickSpacing\": String(\"100\")}"- Block / slot
- unknown / unknown
eth_call · 18d10c7d2b4b
- Parameters
["0xf3334192d15450cdd385c8b70e03f9a6bd9e673b","getSlot0","0x4fdf89b864a4b25f6b92bbd3e380a61a42c6087b485dde3249d99b6b953904ff"]- Result hash
18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee- Raw result
"true"- Block / slot
- unknown / unknown
eth_call · fcc58dd8c6c8
- Parameters
["0xf3334192d15450cdd385c8b70e03f9a6bd9e673b","getLiquidity","0x4fdf89b864a4b25f6b92bbd3e380a61a42c6087b485dde3249d99b6b953904ff"]- Result hash
fcc58dd8c6c8812678f197bc863de9368ae372bddc6784006a1a76f674da00ce- Raw result
"228436833331253"- Block / slot
- unknown / unknown
eth_call · 5cbfd9547b12
- Parameters
["0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","symbol()"]- Result hash
5cbfd9547b12ffd28d96e5f55c97290c4f230a8d7ad7bbe91dc15f2e61c1a3c5- Raw result
"Some(\"USDG\")"- Block / slot
- unknown / unknown
eth_call · c68fe6989b18
- Parameters
["0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","decimals()"]- Result hash
c68fe6989b1835302197d0af5be845dfab10ed9f9632205eb4ab5b949b9e1a6a- Raw result
"Some(6)"- Block / slot
- unknown / unknown
eth_call · 933ff3188f1c
- Parameters
["0x93Dbb1d2Dc5D63F4abACFF30485273f538Df68Ac","symbol()"]- Result hash
933ff3188f1c188d3c4efd5bbdb7f3495d610a8672f3ca2217957211e3dbf059- Raw result
"Some(\"FIX\")"- Block / slot
- unknown / unknown
eth_call · c14f173ff30d
- Parameters
["0x93Dbb1d2Dc5D63F4abACFF30485273f538Df68Ac","decimals()"]- Result hash
c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764- Raw result
"Some(18)"- Block / slot
- unknown / unknown
eth_blockNumber · e128b37ce2cb
- Parameters
[]- Result hash
e128b37ce2cbe2761061bae9bc58f5a95ae3eaf7f32b8116377d005041c63e4c- Block / slot
- 92067878 / unknown
eth_call · 5cbfd9547b12
- Parameters
["0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","symbol()"]- Result hash
5cbfd9547b12ffd28d96e5f55c97290c4f230a8d7ad7bbe91dc15f2e61c1a3c5- Raw result
"Some(\"USDG\")"- Block / slot
- unknown / unknown
eth_call · e34c795a5a7d
- Parameters
["0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","name()"]- Result hash
e34c795a5a7df6a2269bde7247321204357731d7742ef5974b04eb6899db8b11- Raw result
"Some(\"Global Dollar\")"- Block / slot
- unknown / unknown
eth_call · c68fe6989b18
- Parameters
["0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","decimals()"]- Result hash
c68fe6989b1835302197d0af5be845dfab10ed9f9632205eb4ab5b949b9e1a6a- Raw result
"Some(6)"- Block / slot
- unknown / unknown
eth_call · e3cab891cf65
- Parameters
["0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","totalSupply()"]- Result hash
e3cab891cf6513a99bd896f4edad13721a4ea4760aaabefafe80433181eb31ed- Raw result
"Some(\"695806534237576\")"- Block / slot
- unknown / unknown
eth_call · 933ff3188f1c
- Parameters
["0x93Dbb1d2Dc5D63F4abACFF30485273f538Df68Ac","symbol()"]- Result hash
933ff3188f1c188d3c4efd5bbdb7f3495d610a8672f3ca2217957211e3dbf059- Raw result
"Some(\"FIX\")"- Block / slot
- unknown / unknown
eth_call · 2e7555710dd1
- Parameters
["0x93Dbb1d2Dc5D63F4abACFF30485273f538Df68Ac","name()"]- Result hash
2e7555710dd1931c45b924e2f09aaaed9203cd071b1c000f8a9b645e6e260027- Raw result
"Some(\"Comfort Systems • Robinhood Token\")"- Block / slot
- unknown / unknown
eth_call · c14f173ff30d
- Parameters
["0x93Dbb1d2Dc5D63F4abACFF30485273f538Df68Ac","decimals()"]- Result hash
c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764- Raw result
"Some(18)"- Block / slot
- unknown / unknown
eth_call · b8999eb077cb
- Parameters
["0x93Dbb1d2Dc5D63F4abACFF30485273f538Df68Ac","totalSupply()"]- Result hash
b8999eb077cb29c01cc4815219039ee42e658e10b06828beb373093b615092ab- Raw result
"Some(\"9960000000000000000\")"- Block / slot
- unknown / unknown
eth_call · 46754a249105
- Parameters
["0x93Dbb1d2Dc5D63F4abACFF30485273f538Df68Ac","uiMultiplier()"]- Result hash
46754a2491051f216577f1b9f19516f9be1a28c62f023dcbabd8c5317cdefe4b- Raw result
"1000000000000000000"- Block / slot
- unknown / unknown
eth_getCode · e023f4a2e146
- Parameters
["0x93Dbb1d2Dc5D63F4abACFF30485273f538Df68Ac","latest"]- Result hash
e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25- Block / slot
- unknown / unknown
eth_getCode · e023f4a2e146
- Parameters
["0x93Dbb1d2Dc5D63F4abACFF30485273f538Df68Ac","latest"]- Result hash
e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25- Block / slot
- unknown / unknown