QED
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QED certificate

QED record 63d308124a7e from . View the live pool page.

Verified · Robinhood CSCO

Does CSCO / USDG match its issuer's published contract?

The pool's quote contract matches Robinhood's registry entry for CSCO.

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
CSCO / USDG · Robinhood Chain
Pool address
0x62b64b49f9505efa26ddde50e7203fed2a7b0543b9697695285b6fe580091e81
Issuer match
Robinhood · CSCO · View CSCO contracts
Checked
Valid until
Serial
63d308124a7e
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.

25.71% 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":94507796,"chain":"robinhood","checked_at":"2026-10-21T18:57:16Z","dev":false,"expires_at":"2026-10-22T18:57:16Z","issuer":"Robinhood","pool":{"base":{"address":"0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","balance":"2187810647","decimals":6,"symbol":"USDG"},"chain":"robinhood","dex":"uniswap-v4","pool":"0x62b64b49f9505efa26ddde50e7203fed2a7b0543b9697695285b6fe580091e81","quote":{"address":"0xF543967EEBB6f1917992eF0E68De63ab07a5a0dA","balance":"19373350118318031218","decimals":18,"symbol":"CSCO"}},"quote_share_of_supply":0.2570537598498858,"reads":[{"block":null,"method":"eth_call","params":["0x58daec3116aae6d93017baaea7749052e8a04fa7","poolKeys","0x62b64b49f9505efa26ddde50e7203fed2a7b0543b969769528"],"raw_result":"Object {\"currency0\": String(\"0x5fc5360d0400a0fd4f2af552add042d716f1d168\"), \"currency1\": String(\"0xf543967eebb6f1917992ef0e68de63ab07a5a0da\"), \"fee\": String(\"48000\"), \"hooks\": String(\"0x0000000000000000000000000000000000000000\"), \"tickSpacing\": String(\"480\")}","result_hash":"345373b758a03fea7ba26481ba8472f14735dee64990890b2496e34a98c5e901","slot":null},{"block":null,"method":"eth_call","params":["0xf3334192d15450cdd385c8b70e03f9a6bd9e673b","getSlot0","0x62b64b49f9505efa26ddde50e7203fed2a7b0543b9697695285b6fe580091e81"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0xf3334192d15450cdd385c8b70e03f9a6bd9e673b","getLiquidity","0x62b64b49f9505efa26ddde50e7203fed2a7b0543b9697695285b6fe580091e81"],"raw_result":"205876714741807","result_hash":"3350ba38ed59564a88d8463dd1fe988bb766188d72bff45f7eb6636fba08fd3a","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":["0xF543967EEBB6f1917992eF0E68De63ab07a5a0dA","symbol()"],"raw_result":"Some(\"CSCO\")","result_hash":"6738b9a2bbcc021ba40c08d23088205cd3f43e5f506d7ea6484f5359ccc4b16d","slot":null},{"block":null,"method":"eth_call","params":["0xF543967EEBB6f1917992eF0E68De63ab07a5a0dA","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":94507796,"method":"eth_blockNumber","params":[],"result_hash":"4e48c5ad1428b6b3c9fcf4a0d42e040da5aae92e25f9c81e7e5533e94940750f","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(\"714867490888367\")","result_hash":"0b40eecc4f37eb3cb1518305edb468eadecffc64caac3b62ed18c2ae31eab0aa","slot":null},{"block":null,"method":"eth_call","params":["0xF543967EEBB6f1917992eF0E68De63ab07a5a0dA","symbol()"],"raw_result":"Some(\"CSCO\")","result_hash":"6738b9a2bbcc021ba40c08d23088205cd3f43e5f506d7ea6484f5359ccc4b16d","slot":null},{"block":null,"method":"eth_call","params":["0xF543967EEBB6f1917992eF0E68De63ab07a5a0dA","name()"],"raw_result":"Some(\"Cisco Systems • Robinhood Token\")","result_hash":"3617d7bb22738769df1c8cb1193f9f475612f8533d01b8c2fba23c47aef2b2e1","slot":null},{"block":null,"method":"eth_call","params":["0xF543967EEBB6f1917992eF0E68De63ab07a5a0dA","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0xF543967EEBB6f1917992eF0E68De63ab07a5a0dA","totalSupply()"],"raw_result":"Some(\"75366919860000000000\")","result_hash":"fb21f8b31386e77ad263a97a6a3dd54f200c5a9ed4730733d356a916b3f2b982","slot":null},{"block":null,"method":"eth_call","params":["0xF543967EEBB6f1917992eF0E68De63ab07a5a0dA","uiMultiplier()"],"raw_result":"1002674650028132112","result_hash":"4d75fde5f2b3b64e2515c04fc9604ec6785acbe762aeebe472fe9fee0fa1ec17","slot":null},{"block":null,"method":"eth_getCode","params":["0xF543967EEBB6f1917992eF0E68De63ab07a5a0dA","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null},{"block":null,"method":"eth_getCode","params":["0xF543967EEBB6f1917992eF0E68De63ab07a5a0dA","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null}],"registry_entry":{"chain":"robinhood","contract":"0xF543967EEBB6f1917992eF0E68De63ab07a5a0dA","decimals":18,"issuer":"Robinhood","last_checked":"2026-10-21T18:40:19Z","name":"Cisco Systems","official_deployments":[{"address":"0xF543967EEBB6f1917992eF0E68De63ab07a5a0dA","network":"Robinhood Chain"}],"source":"robinhood-registry","source_url":"https://api.robinhood.com/rhj/assets","ticker":"CSCO"},"registry_hash":"d2b23738a0957d6535d8cddb63373ceb6c6c963a51ba306222a0752fa56fc433","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0x62b64b49f9505efa26ddde50e7203fed2a7b0543b9697695285b6fe580091e81","ticker":"CSCO","verdict":{"Verified":{"issuer":"Robinhood","ticker":"CSCO"}},"version":1}
Signature
lpYI3mzF71BNdSy4XGnOsUJK3Qs3EpQWsr/ZH83QHRys/3gS5s5HmVhrqANiWTMLCE9p4nh3gq4fmmPDpD+SDw==
API call
GET /api/attest/63d308124a7e9207487907a45585fcd1b91fb62e4bfb2e42a5b9ec0b51285dc6
  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.