QED certificate
QED record 88b4971b494e from . View the live pool page.
Verified · Robinhood NU
Does NU / USDG match its issuer's published contract?
The pool's quote contract matches Robinhood's registry entry for NU.
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
- NU / USDG · Robinhood Chain
- Pool address
-
0xb6d047637151f6De1d02028acdd187Aa9cb7AFE3 - Issuer match
- Robinhood · NU · View NU contracts
- Checked
- Valid until
- Serial
-
88b4971b494e - 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":92064881,"chain":"robinhood","checked_at":"2026-10-18T20:48:38Z","dev":false,"expires_at":"2026-10-19T20:48:38Z","issuer":"Robinhood","pool":{"base":{"address":"0x408c14038a04f7bD235329E26d2bf569ee20e250","balance":"1137637834303377047242","decimals":18,"symbol":"NU"},"chain":"robinhood","dex":"uniswap-v3","pool":"0xb6d047637151f6De1d02028acdd187Aa9cb7AFE3","quote":{"address":"0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","balance":"7213186152","decimals":6,"symbol":"USDG"}},"quote_share_of_supply":0.148400852193213,"reads":[{"block":92064881,"method":"eth_blockNumber","params":[],"result_hash":"f4982b29e047c4519f6a7bae7a1bc7fcc4e91aa6396275567b94d9ed401c90a9","slot":null},{"block":null,"method":"eth_call","params":["0xb6d047637151f6De1d02028acdd187Aa9cb7AFE3","token0()"],"raw_result":"0x408c14038a04f7bd235329e26d2bf569ee20e250","result_hash":"c83a982f2f03f53ed4449fb0a36aae091507e1a0bb8b834913e1afddf97eeb69","slot":null},{"block":null,"method":"eth_call","params":["0xb6d047637151f6De1d02028acdd187Aa9cb7AFE3","token1()"],"raw_result":"0x5fc5360d0400a0fd4f2af552add042d716f1d168","result_hash":"742eb919f060d78d6f55d9d90c592b8d91ea7358553fc7e37cb579cf21192137","slot":null},{"block":null,"method":"eth_call","params":["0xb6d047637151f6De1d02028acdd187Aa9cb7AFE3","getReserves()"],"raw_result":"false","result_hash":"076de6e730df0b4c3860877a0f619c6ac11f8aefd78313ac793a2a703c026869","slot":null},{"block":null,"method":"eth_call","params":["0xb6d047637151f6De1d02028acdd187Aa9cb7AFE3","slot0()"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0xb6d047637151f6De1d02028acdd187Aa9cb7AFE3","factory()"],"raw_result":"0x1f7d7550b1b028f7571e69a784071f0205fd2efa","result_hash":"bf7614e6e838b22e4363dfcb3022451641875235ca13e64f8d2d8c3334ff85f3","slot":null},{"block":null,"method":"eth_call","params":["0xb6d047637151f6De1d02028acdd187Aa9cb7AFE3","fee()"],"raw_result":"10000","result_hash":"328d48ab2376d2f42d3af5ba69086143c8f5fe883ed195a8280b2154a5711a33","slot":null},{"block":null,"method":"eth_call","params":["0x1f7d7550B1b028f7571E69A784071F0205FD2EfA","getPool","0x408c14038a04f7bD235329E26d2bf569ee20e250","0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","0x2710"],"raw_result":"0xb6d047637151f6de1d02028acdd187aa9cb7afe3","result_hash":"69ede705882394f4c69668f6a206810612a212a2d0276e9fa5ebd6d52fdac7fa","slot":null},{"block":null,"method":"eth_call","params":["0x408c14038a04f7bD235329E26d2bf569ee20e250","symbol()"],"raw_result":"Some(\"NU\")","result_hash":"ed4a6091dda0b4991150f33b1be70c18f0b6cb5e99329f01a8c5babcc028c92c","slot":null},{"block":null,"method":"eth_call","params":["0x408c14038a04f7bD235329E26d2bf569ee20e250","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x408c14038a04f7bD235329E26d2bf569ee20e250","balanceOf","0xb6d047637151f6De1d02028acdd187Aa9cb7AFE3"],"raw_result":"Some(\"1137637834303377047242\")","result_hash":"d26d3eeb19ddc7e648465fd5b4b6e4eb23192e1d4aab747ff44f5fefd3ea1f87","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":["0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","balanceOf","0xb6d047637151f6De1d02028acdd187Aa9cb7AFE3"],"raw_result":"Some(\"7213186152\")","result_hash":"ec160e80e3c34ecf09c6e66c115901a2575e89657f36a1696b4a9830fa68cc65","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(\"695806034790491\")","result_hash":"21a27cf72b5dd60088135211f2c56057779d2f5e723b98f1c89b7732b57a27e1","slot":null},{"block":null,"method":"eth_call","params":["0x408c14038a04f7bD235329E26d2bf569ee20e250","symbol()"],"raw_result":"Some(\"NU\")","result_hash":"ed4a6091dda0b4991150f33b1be70c18f0b6cb5e99329f01a8c5babcc028c92c","slot":null},{"block":null,"method":"eth_call","params":["0x408c14038a04f7bD235329E26d2bf569ee20e250","name()"],"raw_result":"Some(\"Nu • Robinhood Token\")","result_hash":"b64b6708910ebf5b4c57488d45fdd6070e8608eabcd9df1d0678c85e57e5ef62","slot":null},{"block":null,"method":"eth_call","params":["0x408c14038a04f7bD235329E26d2bf569ee20e250","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x408c14038a04f7bD235329E26d2bf569ee20e250","totalSupply()"],"raw_result":"Some(\"7665979120000000000000\")","result_hash":"fdff233089de9d47d651f40bf693403efe8c7663aee3ac7710dda831865c6acb","slot":null},{"block":null,"method":"eth_call","params":["0x408c14038a04f7bD235329E26d2bf569ee20e250","uiMultiplier()"],"raw_result":"1000000000000000000","result_hash":"46754a2491051f216577f1b9f19516f9be1a28c62f023dcbabd8c5317cdefe4b","slot":null},{"block":null,"method":"eth_getCode","params":["0x408c14038a04f7bD235329E26d2bf569ee20e250","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null},{"block":null,"method":"eth_getCode","params":["0x408c14038a04f7bD235329E26d2bf569ee20e250","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null}],"registry_entry":{"chain":"robinhood","contract":"0x408c14038a04f7bD235329E26d2bf569ee20e250","decimals":18,"issuer":"Robinhood","last_checked":"2026-10-18T20:40:19Z","name":"Nu","official_deployments":[{"address":"0x408c14038a04f7bD235329E26d2bf569ee20e250","network":"Robinhood Chain"}],"source":"robinhood-registry","source_url":"https://api.robinhood.com/rhj/assets","ticker":"NU"},"registry_hash":"232d0be2eda56472709e0cf69b424df4c8dd39a27138a34cf3d57c8f428c0f9e","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0xb6d047637151f6De1d02028acdd187Aa9cb7AFE3","ticker":"NU","verdict":{"Verified":{"issuer":"Robinhood","ticker":"NU"}},"version":1}- Signature
F7F7yP/+VDNMyUhYtQXYUF0MOshb5+UAsYejG3sX6UOqF7NX9DIYuC9e5qCvpwOkC/PlbjPfMShPI16VEdNMCg==- API call
GET /api/attest/88b4971b494ebc2f77af315c28fa3abc47ef6411ea80de323dc5af92b7c6fad6
- 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
-
88b4971b494ebc2f77af315c28fa3abc47ef6411ea80de323dc5af92b7c6fad6 - Subject
0xb6d047637151f6De1d02028acdd187Aa9cb7AFE3- Checked at
- Expires at
- Signer
GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn- Registry hash
232d0be2eda56472709e0cf69b424df4c8dd39a27138a34cf3d57c8f428c0f9e- Signature
F7F7yP/+VDNMyUhYtQXYUF0MOshb5+UAsYejG3sX6UOqF7NX9DIYuC9e5qCvpwOkC/PlbjPfMShPI16VEdNMCg==- Block / slot
- 92064881 / unknown
Every read
eth_blockNumber · f4982b29e047
- Parameters
[]- Result hash
f4982b29e047c4519f6a7bae7a1bc7fcc4e91aa6396275567b94d9ed401c90a9- Block / slot
- 92064881 / unknown
eth_call · c83a982f2f03
- Parameters
["0xb6d047637151f6De1d02028acdd187Aa9cb7AFE3","token0()"]- Result hash
c83a982f2f03f53ed4449fb0a36aae091507e1a0bb8b834913e1afddf97eeb69- Raw result
"0x408c14038a04f7bd235329e26d2bf569ee20e250"- Block / slot
- unknown / unknown
eth_call · 742eb919f060
- Parameters
["0xb6d047637151f6De1d02028acdd187Aa9cb7AFE3","token1()"]- Result hash
742eb919f060d78d6f55d9d90c592b8d91ea7358553fc7e37cb579cf21192137- Raw result
"0x5fc5360d0400a0fd4f2af552add042d716f1d168"- Block / slot
- unknown / unknown
eth_call · 076de6e730df
- Parameters
["0xb6d047637151f6De1d02028acdd187Aa9cb7AFE3","getReserves()"]- Result hash
076de6e730df0b4c3860877a0f619c6ac11f8aefd78313ac793a2a703c026869- Raw result
"false"- Block / slot
- unknown / unknown
eth_call · 18d10c7d2b4b
- Parameters
["0xb6d047637151f6De1d02028acdd187Aa9cb7AFE3","slot0()"]- Result hash
18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee- Raw result
"true"- Block / slot
- unknown / unknown
eth_call · bf7614e6e838
- Parameters
["0xb6d047637151f6De1d02028acdd187Aa9cb7AFE3","factory()"]- Result hash
bf7614e6e838b22e4363dfcb3022451641875235ca13e64f8d2d8c3334ff85f3- Raw result
"0x1f7d7550b1b028f7571e69a784071f0205fd2efa"- Block / slot
- unknown / unknown
eth_call · 328d48ab2376
- Parameters
["0xb6d047637151f6De1d02028acdd187Aa9cb7AFE3","fee()"]- Result hash
328d48ab2376d2f42d3af5ba69086143c8f5fe883ed195a8280b2154a5711a33- Raw result
"10000"- Block / slot
- unknown / unknown
eth_call · 69ede7058823
- Parameters
["0x1f7d7550B1b028f7571E69A784071F0205FD2EfA","getPool","0x408c14038a04f7bD235329E26d2bf569ee20e250","0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","0x2710"]- Result hash
69ede705882394f4c69668f6a206810612a212a2d0276e9fa5ebd6d52fdac7fa- Raw result
"0xb6d047637151f6de1d02028acdd187aa9cb7afe3"- Block / slot
- unknown / unknown
eth_call · ed4a6091dda0
- Parameters
["0x408c14038a04f7bD235329E26d2bf569ee20e250","symbol()"]- Result hash
ed4a6091dda0b4991150f33b1be70c18f0b6cb5e99329f01a8c5babcc028c92c- Raw result
"Some(\"NU\")"- Block / slot
- unknown / unknown
eth_call · c14f173ff30d
- Parameters
["0x408c14038a04f7bD235329E26d2bf569ee20e250","decimals()"]- Result hash
c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764- Raw result
"Some(18)"- Block / slot
- unknown / unknown
eth_call · d26d3eeb19dd
- Parameters
["0x408c14038a04f7bD235329E26d2bf569ee20e250","balanceOf","0xb6d047637151f6De1d02028acdd187Aa9cb7AFE3"]- Result hash
d26d3eeb19ddc7e648465fd5b4b6e4eb23192e1d4aab747ff44f5fefd3ea1f87- Raw result
"Some(\"1137637834303377047242\")"- 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 · ec160e80e3c3
- Parameters
["0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","balanceOf","0xb6d047637151f6De1d02028acdd187Aa9cb7AFE3"]- Result hash
ec160e80e3c34ecf09c6e66c115901a2575e89657f36a1696b4a9830fa68cc65- Raw result
"Some(\"7213186152\")"- Block / slot
- unknown / 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 · 21a27cf72b5d
- Parameters
["0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","totalSupply()"]- Result hash
21a27cf72b5dd60088135211f2c56057779d2f5e723b98f1c89b7732b57a27e1- Raw result
"Some(\"695806034790491\")"- Block / slot
- unknown / unknown
eth_call · ed4a6091dda0
- Parameters
["0x408c14038a04f7bD235329E26d2bf569ee20e250","symbol()"]- Result hash
ed4a6091dda0b4991150f33b1be70c18f0b6cb5e99329f01a8c5babcc028c92c- Raw result
"Some(\"NU\")"- Block / slot
- unknown / unknown
eth_call · b64b6708910e
- Parameters
["0x408c14038a04f7bD235329E26d2bf569ee20e250","name()"]- Result hash
b64b6708910ebf5b4c57488d45fdd6070e8608eabcd9df1d0678c85e57e5ef62- Raw result
"Some(\"Nu • Robinhood Token\")"- Block / slot
- unknown / unknown
eth_call · c14f173ff30d
- Parameters
["0x408c14038a04f7bD235329E26d2bf569ee20e250","decimals()"]- Result hash
c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764- Raw result
"Some(18)"- Block / slot
- unknown / unknown
eth_call · fdff233089de
- Parameters
["0x408c14038a04f7bD235329E26d2bf569ee20e250","totalSupply()"]- Result hash
fdff233089de9d47d651f40bf693403efe8c7663aee3ac7710dda831865c6acb- Raw result
"Some(\"7665979120000000000000\")"- Block / slot
- unknown / unknown
eth_call · 46754a249105
- Parameters
["0x408c14038a04f7bD235329E26d2bf569ee20e250","uiMultiplier()"]- Result hash
46754a2491051f216577f1b9f19516f9be1a28c62f023dcbabd8c5317cdefe4b- Raw result
"1000000000000000000"- Block / slot
- unknown / unknown
eth_getCode · e023f4a2e146
- Parameters
["0x408c14038a04f7bD235329E26d2bf569ee20e250","latest"]- Result hash
e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25- Block / slot
- unknown / unknown
eth_getCode · e023f4a2e146
- Parameters
["0x408c14038a04f7bD235329E26d2bf569ee20e250","latest"]- Result hash
e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25- Block / slot
- unknown / unknown