QED
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QED certificate

QED record 9e4ea51cb7b7 from . View the live pool page.

Verified · Robinhood SKHY

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

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

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
SKHY / USDG · Robinhood Chain
Pool address
0x742282d7cd423bacc97e7f07121bbd7958d03059f8accfada01a0c5efc903397
Issuer match
Robinhood · SKHY · View SKHY contracts
Checked
Valid until
Serial
9e4ea51cb7b7
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.

8.54% 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":91999591,"chain":"robinhood","checked_at":"2026-10-18T18:57:58Z","dev":false,"expires_at":"2026-10-19T18:57:58Z","issuer":"Robinhood","pool":{"base":{"address":"0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","balance":"140519793416","decimals":6,"symbol":"USDG"},"chain":"robinhood","dex":"uniswap-v4","pool":"0x742282d7cd423bacc97e7f07121bbd7958d03059f8accfada01a0c5efc903397","quote":{"address":"0x84CAb63bc87912E71ad199ff14A0bA45de68FeF8","balance":"1076236432274753337201","decimals":18,"symbol":"SKHY"}},"quote_share_of_supply":0.08542017763065295,"reads":[{"block":null,"method":"eth_call","params":["0x58daec3116aae6d93017baaea7749052e8a04fa7","poolKeys","0x742282d7cd423bacc97e7f07121bbd7958d03059f8accfada0"],"raw_result":"Object {\"currency0\": String(\"0x5fc5360d0400a0fd4f2af552add042d716f1d168\"), \"currency1\": String(\"0x84cab63bc87912e71ad199ff14a0ba45de68fef8\"), \"fee\": String(\"8388608\"), \"hooks\": String(\"0xc15b155a3094934171a15625d1a80aba267b6080\"), \"tickSpacing\": String(\"60\")}","result_hash":"940e92a5a438f9bb17c6d779cd4fa0a425be2c987bdce5c4cb6fb2cc2b63d01b","slot":null},{"block":null,"method":"eth_call","params":["0xf3334192d15450cdd385c8b70e03f9a6bd9e673b","getSlot0","0x742282d7cd423bacc97e7f07121bbd7958d03059f8accfada01a0c5efc903397"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0xf3334192d15450cdd385c8b70e03f9a6bd9e673b","getLiquidity","0x742282d7cd423bacc97e7f07121bbd7958d03059f8accfada01a0c5efc903397"],"raw_result":"12297663238622360","result_hash":"258bb0c8ff6d901dbfd5cbe1386ff32b648fcb34183ba514fcf907116d21c9d4","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":["0x84CAb63bc87912E71ad199ff14A0bA45de68FeF8","symbol()"],"raw_result":"Some(\"SKHY\")","result_hash":"285ba5a6f5e3f82d50c0f0874e21e2e90434be7aa2cfc147e35c271961bc8bc5","slot":null},{"block":null,"method":"eth_call","params":["0x84CAb63bc87912E71ad199ff14A0bA45de68FeF8","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":91999591,"method":"eth_blockNumber","params":[],"result_hash":"73fa8a8a23aa2970fd9e8eceb2f92cae3b83a34893e72bfb224b70b90f467448","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(\"696496200347174\")","result_hash":"c89de63b57cbd2df29547c452103566aa72dd3f4abac92a6142add18e0bbbedd","slot":null},{"block":null,"method":"eth_call","params":["0x84CAb63bc87912E71ad199ff14A0bA45de68FeF8","symbol()"],"raw_result":"Some(\"SKHY\")","result_hash":"285ba5a6f5e3f82d50c0f0874e21e2e90434be7aa2cfc147e35c271961bc8bc5","slot":null},{"block":null,"method":"eth_call","params":["0x84CAb63bc87912E71ad199ff14A0bA45de68FeF8","name()"],"raw_result":"Some(\"SK hynix Inc. American Depositary Shares • Robinhood Token\")","result_hash":"b48e089682245a6618dc17c95b723be6a257f9f8203fbee1836788694619c7e1","slot":null},{"block":null,"method":"eth_call","params":["0x84CAb63bc87912E71ad199ff14A0bA45de68FeF8","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x84CAb63bc87912E71ad199ff14A0bA45de68FeF8","totalSupply()"],"raw_result":"Some(\"12599323276150000000000\")","result_hash":"8946ee6b879e173640592479b49fd34f2dac6f0b07b77267793fcfa01b068f99","slot":null},{"block":null,"method":"eth_call","params":["0x84CAb63bc87912E71ad199ff14A0bA45de68FeF8","uiMultiplier()"],"raw_result":"1000060353549285624","result_hash":"1648262ddb2ab054351bdad1b2d83016744078241bc1a9d2cda7770156e8ed43","slot":null},{"block":null,"method":"eth_getCode","params":["0x84CAb63bc87912E71ad199ff14A0bA45de68FeF8","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null},{"block":null,"method":"eth_getCode","params":["0x84CAb63bc87912E71ad199ff14A0bA45de68FeF8","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null}],"registry_entry":{"chain":"robinhood","contract":"0x84CAb63bc87912E71ad199ff14A0bA45de68FeF8","decimals":18,"issuer":"Robinhood","last_checked":"2026-10-18T18:54:09Z","name":"SK hynix Inc. American Depositary Shares","official_deployments":[{"address":"0x84CAb63bc87912E71ad199ff14A0bA45de68FeF8","network":"Robinhood Chain"}],"source":"robinhood-registry","source_url":"https://api.robinhood.com/rhj/assets","ticker":"SKHY"},"registry_hash":"e40a8f7ec2f1a2c1d6467a45e0976602299513549c0406d646df02a3ecb928c8","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0x742282d7cd423bacc97e7f07121bbd7958d03059f8accfada01a0c5efc903397","ticker":"SKHY","verdict":{"Verified":{"issuer":"Robinhood","ticker":"SKHY"}},"version":1}
Signature
dM0WElECMa4N4abC5WDE2rR6tJtPXDMhn6ZQ6ggcopHPNZNPuxpmw/PAJCzXda1lyfSRMD90D7TcMYrJajOuDg==
API call
GET /api/attest/9e4ea51cb7b7a02492d1264223d3df3509f110875c5c5bcbdc999f847fa301bc
  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.