QED
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QED certificate

QED record 6a3528319d4d from . View the live pool page.

Verified · Robinhood TSEM

Does TSEM / wUSDG match its issuer's published contract?

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

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
TSEM / wUSDG · Robinhood Chain
Pool address
0x568f881d0ded7d978950e888937f58a716157ba9e31a5e5d62241834f8e2f0bb
Issuer match
Robinhood · TSEM · View TSEM contracts
Checked
Valid until
Serial
6a3528319d4d
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":98330005,"chain":"robinhood","checked_at":"2026-10-26T10:05:22Z","dev":false,"expires_at":"2026-10-27T10:05:23Z","issuer":"Robinhood","pool":{"base":{"address":"0x0Ff7A742b035504118A9d435c8264619A8428E1C","balance":"9738555297","decimals":6,"symbol":"wUSDG"},"chain":"robinhood","dex":"uniswap-v4","pool":"0x568f881d0ded7d978950e888937f58a716157ba9e31a5e5d62241834f8e2f0bb","quote":{"address":"0x89776d4Cd68193597A2fC132cfaC1fDe36CCeA8a","balance":"44376153555993317048","decimals":18,"symbol":"TSEM"}},"quote_share_of_supply":null,"reads":[{"block":null,"method":"eth_call","params":["0x58daec3116aae6d93017baaea7749052e8a04fa7","poolKeys","0x568f881d0ded7d978950e888937f58a716157ba9e31a5e5d62"],"raw_result":"Object {\"currency0\": String(\"0x0ff7a742b035504118a9d435c8264619a8428e1c\"), \"currency1\": String(\"0x89776d4cd68193597a2fc132cfac1fde36ccea8a\"), \"fee\": String(\"500000\"), \"hooks\": String(\"0x0000000000000000000000000000000000000000\"), \"tickSpacing\": String(\"60\")}","result_hash":"25d0d5b288ca5454ffbb0ce15c0f3784423c03065f2489655a50eab455a2c729","slot":null},{"block":null,"method":"eth_call","params":["0xf3334192d15450cdd385c8b70e03f9a6bd9e673b","getSlot0","0x568f881d0ded7d978950e888937f58a716157ba9e31a5e5d62241834f8e2f0bb"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0xf3334192d15450cdd385c8b70e03f9a6bd9e673b","getLiquidity","0x568f881d0ded7d978950e888937f58a716157ba9e31a5e5d62241834f8e2f0bb"],"raw_result":"657388488868361","result_hash":"d96bd2483d57ab62a23149ec4d764c00c1c25ab50f9d5fff3c675b8c4bb98edd","slot":null},{"block":null,"method":"eth_call","params":["0x0Ff7A742b035504118A9d435c8264619A8428E1C","symbol()"],"raw_result":"Some(\"wUSDG\")","result_hash":"f400f3d3a99783ce9489c3b8b2a33e7d40f90a595cbbc84386b4ae09da7fc390","slot":null},{"block":null,"method":"eth_call","params":["0x0Ff7A742b035504118A9d435c8264619A8428E1C","decimals()"],"raw_result":"Some(6)","result_hash":"c68fe6989b1835302197d0af5be845dfab10ed9f9632205eb4ab5b949b9e1a6a","slot":null},{"block":null,"method":"eth_call","params":["0x89776d4Cd68193597A2fC132cfaC1fDe36CCeA8a","symbol()"],"raw_result":"Some(\"TSEM\")","result_hash":"226baf806211fe55587b63d5e4c88a64e37ac60e0ae9e2e3d83435165cda3635","slot":null},{"block":null,"method":"eth_call","params":["0x89776d4Cd68193597A2fC132cfaC1fDe36CCeA8a","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":98330005,"method":"eth_blockNumber","params":[],"result_hash":"f63dd42e27d722b47c46accfc88617b851c2be899d6d6b299ef1de1a78646b99","slot":null},{"block":null,"method":"eth_call","params":["0x0Ff7A742b035504118A9d435c8264619A8428E1C","symbol()"],"raw_result":"Some(\"wUSDG\")","result_hash":"f400f3d3a99783ce9489c3b8b2a33e7d40f90a595cbbc84386b4ae09da7fc390","slot":null},{"block":null,"method":"eth_call","params":["0x0Ff7A742b035504118A9d435c8264619A8428E1C","name()"],"raw_result":"Some(\"Wrapped Global Dollar\")","result_hash":"cf780eb7860e6b6798440cfb39d717c5756a8d09e6bda665d8c81221c0172cd9","slot":null},{"block":null,"method":"eth_call","params":["0x0Ff7A742b035504118A9d435c8264619A8428E1C","decimals()"],"raw_result":"Some(6)","result_hash":"c68fe6989b1835302197d0af5be845dfab10ed9f9632205eb4ab5b949b9e1a6a","slot":null},{"block":null,"method":"eth_call","params":["0x0Ff7A742b035504118A9d435c8264619A8428E1C","totalSupply()"],"raw_result":"Some(\"100000000000000\")","result_hash":"6e5063823953badff690016a7310577b7e498ba80065e418cf920e0b648b50f1","slot":null},{"block":null,"method":"eth_call","params":["0x89776d4Cd68193597A2fC132cfaC1fDe36CCeA8a","symbol()"],"raw_result":"Some(\"TSEM\")","result_hash":"226baf806211fe55587b63d5e4c88a64e37ac60e0ae9e2e3d83435165cda3635","slot":null},{"block":null,"method":"eth_call","params":["0x89776d4Cd68193597A2fC132cfaC1fDe36CCeA8a","name()"],"raw_result":"Some(\"Tower Semiconductor • Robinhood Token\")","result_hash":"076260fd233b0e0bb9f858ee49dccc8de87806df91226ac498132e579da9da17","slot":null},{"block":null,"method":"eth_call","params":["0x89776d4Cd68193597A2fC132cfaC1fDe36CCeA8a","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x89776d4Cd68193597A2fC132cfaC1fDe36CCeA8a","totalSupply()"],"raw_result":"Some(\"35034000000000000000\")","result_hash":"81e51e452794b24a346710c13f0dbddc2e65a9f021df9cad597fa7381262e681","slot":null},{"block":null,"method":"eth_call","params":["0x89776d4Cd68193597A2fC132cfaC1fDe36CCeA8a","uiMultiplier()"],"raw_result":"1000000000000000000","result_hash":"46754a2491051f216577f1b9f19516f9be1a28c62f023dcbabd8c5317cdefe4b","slot":null},{"block":null,"method":"eth_getCode","params":["0x89776d4Cd68193597A2fC132cfaC1fDe36CCeA8a","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null},{"block":null,"method":"eth_getCode","params":["0x89776d4Cd68193597A2fC132cfaC1fDe36CCeA8a","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null}],"registry_entry":{"chain":"robinhood","contract":"0x89776d4Cd68193597A2fC132cfaC1fDe36CCeA8a","decimals":18,"issuer":"Robinhood","last_checked":"2026-10-26T09:07:31Z","name":"Tower Semiconductor","official_deployments":[{"address":"0x89776d4Cd68193597A2fC132cfaC1fDe36CCeA8a","network":"Robinhood Chain"}],"source":"robinhood-registry","source_url":"https://api.robinhood.com/rhj/assets","ticker":"TSEM"},"registry_hash":"b564a743a26f63e74dc8a272d41fc06d014f9b4d9ec09e202c38ab32066bed6f","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0x568f881d0ded7d978950e888937f58a716157ba9e31a5e5d62241834f8e2f0bb","ticker":"TSEM","verdict":{"Verified":{"issuer":"Robinhood","ticker":"TSEM"}},"version":1}
Signature
3Xl2Hb1JEUQuKX1Ec9E0ilqFQkPLq1VFL8ZvhFF7qF2eJ74iLqq+tgdoCCSZEqNRhOcAd3q1lpRp1neVd8U6Cg==
API call
GET /api/attest/6a3528319d4d964788bcfce27a4fd1b17e74ad7f4d105742df03a95e40cbb8f6
  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.