QED
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QED certificate

QED record 88cfde5c076f from . View the live pool page.

Verified · Robinhood AMKR

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

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

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
AMKR / USDG · Robinhood Chain
Pool address
0xe2d25480396d211935cb8643367421ab32c1417f30d4a5298d6be95fce881db7
Issuer match
Robinhood · AMKR · View AMKR contracts
Checked
Valid until
Serial
88cfde5c076f
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.

18.61% 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":92005082,"chain":"robinhood","checked_at":"2026-10-18T19:07:18Z","dev":false,"expires_at":"2026-10-19T19:07:18Z","issuer":"Robinhood","pool":{"base":{"address":"0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","balance":"585346754","decimals":6,"symbol":"USDG"},"chain":"robinhood","dex":"uniswap-v4","pool":"0xe2d25480396d211935cb8643367421ab32c1417f30d4a5298d6be95fce881db7","quote":{"address":"0xDd356AA38F40A7b7076755aC854B6FBb1F0D305B","balance":"13375987266135750659","decimals":18,"symbol":"AMKR"}},"quote_share_of_supply":0.1861380686636234,"reads":[{"block":null,"method":"eth_call","params":["0x58daec3116aae6d93017baaea7749052e8a04fa7","poolKeys","0xe2d25480396d211935cb8643367421ab32c1417f30d4a5298d"],"raw_result":"Object {\"currency0\": String(\"0x5fc5360d0400a0fd4f2af552add042d716f1d168\"), \"currency1\": String(\"0xdd356aa38f40a7b7076755ac854b6fbb1f0d305b\"), \"fee\": String(\"50000\"), \"hooks\": String(\"0x0000000000000000000000000000000000000000\"), \"tickSpacing\": String(\"500\")}","result_hash":"c172f215441acc6e9ebf5afdea9bf1b4100ec3997f1bda96f79264cf53dab1d0","slot":null},{"block":null,"method":"eth_call","params":["0xf3334192d15450cdd385c8b70e03f9a6bd9e673b","getSlot0","0xe2d25480396d211935cb8643367421ab32c1417f30d4a5298d6be95fce881db7"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0xf3334192d15450cdd385c8b70e03f9a6bd9e673b","getLiquidity","0xe2d25480396d211935cb8643367421ab32c1417f30d4a5298d6be95fce881db7"],"raw_result":"88484974608859","result_hash":"b80ee57d048b7f205034dd040293ac3ade0989218374cda57d852c6cc327d92b","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":["0xDd356AA38F40A7b7076755aC854B6FBb1F0D305B","symbol()"],"raw_result":"Some(\"AMKR\")","result_hash":"7e862783975bbd550ebdfa4b49ec00271378c9bad52d9d8fa752caf95aabbd4c","slot":null},{"block":null,"method":"eth_call","params":["0xDd356AA38F40A7b7076755aC854B6FBb1F0D305B","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":92005082,"method":"eth_blockNumber","params":[],"result_hash":"5029ff8f94a5710378183224fb3855e231ca23475115ab6427939e7b2b2385de","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":["0xDd356AA38F40A7b7076755aC854B6FBb1F0D305B","symbol()"],"raw_result":"Some(\"AMKR\")","result_hash":"7e862783975bbd550ebdfa4b49ec00271378c9bad52d9d8fa752caf95aabbd4c","slot":null},{"block":null,"method":"eth_call","params":["0xDd356AA38F40A7b7076755aC854B6FBb1F0D305B","name()"],"raw_result":"Some(\"Amkor Technology • Robinhood Token\")","result_hash":"1a07bef5e0efbbb02605e82cea92bca702e69bf0c6a67557b90dd29adc93530d","slot":null},{"block":null,"method":"eth_call","params":["0xDd356AA38F40A7b7076755aC854B6FBb1F0D305B","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0xDd356AA38F40A7b7076755aC854B6FBb1F0D305B","totalSupply()"],"raw_result":"Some(\"71860567600000000000\")","result_hash":"13caffdb664026da8ec1d1d486fa9a1e12c26b0f9c13031688ee54126147beaa","slot":null},{"block":null,"method":"eth_call","params":["0xDd356AA38F40A7b7076755aC854B6FBb1F0D305B","uiMultiplier()"],"raw_result":"1000866850964062008","result_hash":"82c21300936a534d44659c7f98282716222a06066763f869a8754655db8133a6","slot":null},{"block":null,"method":"eth_getCode","params":["0xDd356AA38F40A7b7076755aC854B6FBb1F0D305B","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null},{"block":null,"method":"eth_getCode","params":["0xDd356AA38F40A7b7076755aC854B6FBb1F0D305B","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null}],"registry_entry":{"chain":"robinhood","contract":"0xDd356AA38F40A7b7076755aC854B6FBb1F0D305B","decimals":18,"issuer":"Robinhood","last_checked":"2026-10-18T18:54:09Z","name":"Amkor Technology","official_deployments":[{"address":"0xDd356AA38F40A7b7076755aC854B6FBb1F0D305B","network":"Robinhood Chain"}],"source":"robinhood-registry","source_url":"https://api.robinhood.com/rhj/assets","ticker":"AMKR"},"registry_hash":"e40a8f7ec2f1a2c1d6467a45e0976602299513549c0406d646df02a3ecb928c8","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0xe2d25480396d211935cb8643367421ab32c1417f30d4a5298d6be95fce881db7","ticker":"AMKR","verdict":{"Verified":{"issuer":"Robinhood","ticker":"AMKR"}},"version":1}
Signature
RtSPG7wiWgeoJjS4eeILHv5zo4djHGtjpWZz8BHyVe9U4sXHbcFkbW8B+wHv1P8gz6AuDFQzR/6JG4qAI/bEDg==
API call
GET /api/attest/88cfde5c076f15eac051cc6aff8ec6f776a562db1ee47b5b92a182b1160a249f
  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.