USDG/LLY

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":76102389,"chain":"RobinhoodChain","checked_at":"2026-09-30T00:54:31Z","dev":false,"expires_at":"2026-10-01T00:54:32Z","issuer":"Robinhood","pool":{"base":{"address":"0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","balance":"172950622102","decimals":6,"symbol":"USDG"},"chain":"RobinhoodChain","dex":"uniswap-v3","pool":"0xF212D02146a897F5F686E9d629F6A73da534324a","quote":{"address":"0x8005d266423c7ea827372c9c864491e5786600ea","balance":"114389786356894857951","decimals":18,"symbol":"LLY"}},"quote_share_of_supply":0.12515119903767982,"reads":[{"block":null,"method":"eth_getCode","params":["0xF212D02146a897F5F686E9d629F6A73da534324a","latest"],"result_hash":"52ec17ef73243f7ab614480a588ef0ececc7f63c491da7d0ee1880c708ade0be","slot":null},{"block":76102389,"method":"eth_blockNumber","params":[],"result_hash":"98b929b425d41d86b8c76eae06c3e59ae099cd82b92d2fc7a25f4c880e6708bf","slot":null},{"block":null,"method":"eth_call","params":["0xF212D02146a897F5F686E9d629F6A73da534324a","token0()"],"raw_result":"0x5fc5360d0400a0fd4f2af552add042d716f1d168","result_hash":"742eb919f060d78d6f55d9d90c592b8d91ea7358553fc7e37cb579cf21192137","slot":null},{"block":null,"method":"eth_call","params":["0xF212D02146a897F5F686E9d629F6A73da534324a","token1()"],"raw_result":"0x8005d266423c7ea827372c9c864491e5786600ea","result_hash":"9e0ee0181786ceb31f711aea992cc17e11d7988f3b30e77f64ad9b3af51e4434","slot":null},{"block":null,"method":"eth_call","params":["0xF212D02146a897F5F686E9d629F6A73da534324a","getReserves()"],"raw_result":"false","result_hash":"076de6e730df0b4c3860877a0f619c6ac11f8aefd78313ac793a2a703c026869","slot":null},{"block":null,"method":"eth_call","params":["0xF212D02146a897F5F686E9d629F6A73da534324a","slot0()"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0xF212D02146a897F5F686E9d629F6A73da534324a","factory()"],"raw_result":"Some(0x1f7d7550b1b028f7571e69a784071f0205fd2efa)","result_hash":"3a5325de1b5dc50662a9e2ec44d8428ded4306d2bd46195f62299474690e30aa","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":["0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","balanceOf","0xF212D02146a897F5F686E9d629F6A73da534324a"],"raw_result":"Some(\"172950622102\")","result_hash":"f70a5140472c95555de0c77a21b47213e98bd28517927b63f1c55936813cd601","slot":null},{"block":null,"method":"eth_call","params":["0x8005d266423c7ea827372c9c864491e5786600ea","symbol()"],"raw_result":"Some(\"LLY\")","result_hash":"47dc1cee300cb22f1059ce4b8966fc363ef6c499a9904dc6ebad3fd7c8a99663","slot":null},{"block":null,"method":"eth_call","params":["0x8005d266423c7ea827372c9c864491e5786600ea","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x8005d266423c7ea827372c9c864491e5786600ea","balanceOf","0xF212D02146a897F5F686E9d629F6A73da534324a"],"raw_result":"Some(\"114389786356894857951\")","result_hash":"4d715afb23edd48c384c6783cfd0ef59cd617bcc0e3b243995aca7156775c8d9","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(\"683139360838188\")","result_hash":"84e8d8071640c7f005638499518532bbe91d428ba1a17c662bc3565abda9f6a9","slot":null},{"block":null,"method":"eth_call","params":["0x8005d266423c7ea827372c9c864491e5786600ea","symbol()"],"raw_result":"Some(\"LLY\")","result_hash":"47dc1cee300cb22f1059ce4b8966fc363ef6c499a9904dc6ebad3fd7c8a99663","slot":null},{"block":null,"method":"eth_call","params":["0x8005d266423c7ea827372c9c864491e5786600ea","name()"],"raw_result":"Some(\"Eli Lilly • Robinhood Token\")","result_hash":"76c03db9a2a9aeb2886a0d5853e65af3c2e8d70b2858bdd39c8e8411cf690443","slot":null},{"block":null,"method":"eth_call","params":["0x8005d266423c7ea827372c9c864491e5786600ea","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x8005d266423c7ea827372c9c864491e5786600ea","totalSupply()"],"raw_result":"Some(\"914012708120000000000\")","result_hash":"4a6125fb0aaf3c62434a59b554c974f5299454abdf814b71f0f2c2b7bd809372","slot":null},{"block":null,"method":"eth_call","params":["0x8005d266423c7ea827372c9c864491e5786600ea","uiMultiplier()"],"raw_result":"1000002288774375687","result_hash":"7f81605b3d2e3fac564be8ecdb35a5592c6a2a6e255b5f10939f67427b6f4298","slot":null},{"block":null,"method":"eth_getCode","params":["0x8005d266423c7ea827372c9c864491e5786600ea","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null},{"block":null,"method":"eth_getCode","params":["0x8005d266423c7ea827372c9c864491e5786600ea","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null}],"registry_entry":{"chain":"RobinhoodChain","contract":"0x8005d266423c7ea827372c9c864491e5786600ea","decimals":18,"issuer":"Robinhood","last_checked":"2026-09-30T00:37:24Z","name":"Eli Lilly","source":"robinhood-registry","source_url":"https://api.robinhood.com/rhj/assets","ticker":"LLY"},"registry_hash":"5524ad353114ce82e4459bdb0533016e63f15d54f628b91498b20cf2b964d0de","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0xF212D02146a897F5F686E9d629F6A73da534324a","ticker":"LLY","verdict":{"Verified":{"issuer":"Robinhood","ticker":"LLY"}},"version":1}

Signature

8qbiG+SDSHgHJQDzBL9LPEAU9tCVtbh5x6q7j8c6g25YRwRKxILTKykbgt8IM1L9BwY2tfKUWaObA++vyE/WCA==

API call

GET /api/attest/ba3a2b8708d942f412a0a7a74c99de3185dd425f45ba3c22d78a322720b54d64

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.