QED
v1.1.1
Menu
← Back to validated

QED certificate

QED record f2214d5cf824 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

Robinhood Chain Uniswap v4
Subject
FIX / USDG · Robinhood Chain
Pool address
0x4fdf89b864a4b25f6b92bbd3e380a61a42c6087b485dde3249d99b6b953904ff
Issuer match
Robinhood · FIX · View FIX contracts
Checked
Valid until
Serial
f2214d5cf824
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.

60.32% Checked

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":91901502,"chain":"robinhood","checked_at":"2026-10-18T16:12:02Z","dev":false,"expires_at":"2026-10-19T16:12:02Z","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":91901502,"method":"eth_blockNumber","params":[],"result_hash":"3278145bb52225ed5830bd7e852361ba990b850b768ac6df3ffb5f1a13c1bf17","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(\"696830211378076\")","result_hash":"8842084c4dbae3b6381eaae59bbc10fa07977d41e52eabb154c57a2de76ce8e1","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":"2026-10-18T15:47:33Z","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":"2bf13ff4020924ba1c74d8e732c3dd1609679a3b9a6dc8a796250beb0ae1b589","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0x4fdf89b864a4b25f6b92bbd3e380a61a42c6087b485dde3249d99b6b953904ff","ticker":"FIX","verdict":{"Verified":{"issuer":"Robinhood","ticker":"FIX"}},"version":1}
Signature
uE3HHb4qx1PMgA/JHsSKVzPF98EVUgTWWfWsDHXWB5XMyI89rrzeAUOnmd2rCTpecL0j82uicj/HycNoy+DaCA==
API call
GET /api/attest/f2214d5cf82419e4545279f66b13faa521a246461130b561cbd56bb6f58d155b
  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.