QED
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QED certificate

QED record 3e437d5cfba6 from . View the live pool page.

Verified · Robinhood ZM

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

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

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
ZM / USDG · Robinhood Chain
Pool address
0x46f1c54d32456c306e2c1e79f5ccf982654e3d7bd6df4bb4a06a69b27c67571b
Issuer match
Robinhood · ZM · View ZM contracts
Checked
Valid until
Serial
3e437d5cfba6
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.

n/a 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":92940875,"chain":"robinhood","checked_at":"2026-10-19T21:42:30Z","dev":false,"expires_at":"2026-10-20T21:42:30Z","issuer":"Robinhood","pool":{"base":{"address":"0x44c4F142009036cF477eD2d09932051843137CF1","balance":"617132981139573983746","decimals":18,"symbol":"ZM"},"chain":"robinhood","dex":"uniswap-v4","pool":"0x46f1c54d32456c306e2c1e79f5ccf982654e3d7bd6df4bb4a06a69b27c67571b","quote":{"address":"0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","balance":"59693076825","decimals":6,"symbol":"USDG"}},"quote_share_of_supply":null,"reads":[{"block":null,"method":"eth_call","params":["0x58daec3116aae6d93017baaea7749052e8a04fa7","poolKeys","0x46f1c54d32456c306e2c1e79f5ccf982654e3d7bd6df4bb4a0"],"raw_result":"Object {\"currency0\": String(\"0x44c4f142009036cf477ed2d09932051843137cf1\"), \"currency1\": String(\"0x5fc5360d0400a0fd4f2af552add042d716f1d168\"), \"fee\": String(\"10000\"), \"hooks\": String(\"0x0000000000000000000000000000000000000000\"), \"tickSpacing\": String(\"100\")}","result_hash":"996f692ab0e2600d336be6fd5afee7f5bc7427472b29fc39b4918a3933c8f024","slot":null},{"block":null,"method":"eth_call","params":["0xf3334192d15450cdd385c8b70e03f9a6bd9e673b","getSlot0","0x46f1c54d32456c306e2c1e79f5ccf982654e3d7bd6df4bb4a06a69b27c67571b"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0xf3334192d15450cdd385c8b70e03f9a6bd9e673b","getLiquidity","0x46f1c54d32456c306e2c1e79f5ccf982654e3d7bd6df4bb4a06a69b27c67571b"],"raw_result":"6069478268748074","result_hash":"1557282e1ffed6ad6dafbd2c7c50d7effe7adf2da86147907937d458d89d9f2c","slot":null},{"block":null,"method":"eth_call","params":["0x44c4F142009036cF477eD2d09932051843137CF1","symbol()"],"raw_result":"Some(\"ZM\")","result_hash":"729ebcadd1d87e643dc472a4f0eb922c0c4d0e215557cdd8ee73614f9f594625","slot":null},{"block":null,"method":"eth_call","params":["0x44c4F142009036cF477eD2d09932051843137CF1","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","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":92940875,"method":"eth_blockNumber","params":[],"result_hash":"0b8ddb95191d4658986d618cc7665174b71266a108961502f96a02a47e771fd6","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(\"702035807528044\")","result_hash":"0c8d3c2ec6a371424e18d4131cec9c15c8bdc569eceaf86e49862b8996ec4ce5","slot":null},{"block":null,"method":"eth_call","params":["0x44c4F142009036cF477eD2d09932051843137CF1","symbol()"],"raw_result":"Some(\"ZM\")","result_hash":"729ebcadd1d87e643dc472a4f0eb922c0c4d0e215557cdd8ee73614f9f594625","slot":null},{"block":null,"method":"eth_call","params":["0x44c4F142009036cF477eD2d09932051843137CF1","name()"],"raw_result":"Some(\"Zoom • Robinhood Token\")","result_hash":"6d2c3ea51f8efbe5d0e33f637c18b8edec1dc3a9f3c57de2b5861c2c6c045546","slot":null},{"block":null,"method":"eth_call","params":["0x44c4F142009036cF477eD2d09932051843137CF1","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x44c4F142009036cF477eD2d09932051843137CF1","totalSupply()"],"raw_result":"Some(\"383187340000000000000\")","result_hash":"2d05450aed3e73b0ce3e46c4894e20a8e9989bdc29cc70d1de0d18092c35330b","slot":null},{"block":null,"method":"eth_call","params":["0x44c4F142009036cF477eD2d09932051843137CF1","uiMultiplier()"],"raw_result":"1000000000000000000","result_hash":"46754a2491051f216577f1b9f19516f9be1a28c62f023dcbabd8c5317cdefe4b","slot":null},{"block":null,"method":"eth_getCode","params":["0x44c4F142009036cF477eD2d09932051843137CF1","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null},{"block":null,"method":"eth_getCode","params":["0x44c4F142009036cF477eD2d09932051843137CF1","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null}],"registry_entry":{"chain":"robinhood","contract":"0x44c4F142009036cF477eD2d09932051843137CF1","decimals":18,"issuer":"Robinhood","last_checked":"2026-10-19T21:40:19Z","name":"Zoom","official_deployments":[{"address":"0x44c4F142009036cF477eD2d09932051843137CF1","network":"Robinhood Chain"}],"source":"robinhood-registry","source_url":"https://api.robinhood.com/rhj/assets","ticker":"ZM"},"registry_hash":"37f76e783440d042a6ba377568afbebcf983880e6cc47a429b6670672394702e","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0x46f1c54d32456c306e2c1e79f5ccf982654e3d7bd6df4bb4a06a69b27c67571b","ticker":"ZM","verdict":{"Verified":{"issuer":"Robinhood","ticker":"ZM"}},"version":1}
Signature
/rLnWdKFn+zKZSHhhLel8q1AEOSmUvRWCXoE18OwCh1hiwQI9c0QL7Oc54dDF/aIH4u7ztWzTwucc5GEcS/jCg==
API call
GET /api/attest/3e437d5cfba6f7b61e6a474e27cc06beaf8f975c5750462ceb4a7d1e82b22221
  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.