QED
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QED certificate

QED record e42815105abd from . View the live pool page.

Verified · Robinhood BA

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

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

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 v3
Subject
BA / USDG · Robinhood Chain
Pool address
0xc6517047b189c72D3bAa9eF37D1d28F27a63638a
Issuer match
Robinhood · BA · View BA contracts
Checked
Valid until
Serial
e42815105abd
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.

33.79% 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":92065022,"chain":"robinhood","checked_at":"2026-10-18T20:48:55Z","dev":false,"expires_at":"2026-10-19T20:48:55Z","issuer":"Robinhood","pool":{"base":{"address":"0x4D21483a44Bf67a86b77E3dA301411880797D452","balance":"318364902000295317716","decimals":18,"symbol":"BA"},"chain":"robinhood","dex":"uniswap-v3","pool":"0xc6517047b189c72D3bAa9eF37D1d28F27a63638a","quote":{"address":"0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","balance":"12779026145","decimals":6,"symbol":"USDG"}},"quote_share_of_supply":0.3379285738944827,"reads":[{"block":92065022,"method":"eth_blockNumber","params":[],"result_hash":"9cbd44841f5bcc100363f853b709266e762aef44c21f3d6ab09143e47c077d2c","slot":null},{"block":null,"method":"eth_call","params":["0xc6517047b189c72D3bAa9eF37D1d28F27a63638a","token0()"],"raw_result":"0x4d21483a44bf67a86b77e3da301411880797d452","result_hash":"ed4ed0c4c7658e5ccdac565ef664e7b35e951f1e6cc02a9c260936f03ee7045a","slot":null},{"block":null,"method":"eth_call","params":["0xc6517047b189c72D3bAa9eF37D1d28F27a63638a","token1()"],"raw_result":"0x5fc5360d0400a0fd4f2af552add042d716f1d168","result_hash":"742eb919f060d78d6f55d9d90c592b8d91ea7358553fc7e37cb579cf21192137","slot":null},{"block":null,"method":"eth_call","params":["0xc6517047b189c72D3bAa9eF37D1d28F27a63638a","getReserves()"],"raw_result":"false","result_hash":"076de6e730df0b4c3860877a0f619c6ac11f8aefd78313ac793a2a703c026869","slot":null},{"block":null,"method":"eth_call","params":["0xc6517047b189c72D3bAa9eF37D1d28F27a63638a","slot0()"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0xc6517047b189c72D3bAa9eF37D1d28F27a63638a","factory()"],"raw_result":"0x1f7d7550b1b028f7571e69a784071f0205fd2efa","result_hash":"bf7614e6e838b22e4363dfcb3022451641875235ca13e64f8d2d8c3334ff85f3","slot":null},{"block":null,"method":"eth_call","params":["0xc6517047b189c72D3bAa9eF37D1d28F27a63638a","fee()"],"raw_result":"3000","result_hash":"53232d7da9fd2a1931dcd44af08ec415dd52ab8ecc4037ef5e68eb3753978a2e","slot":null},{"block":null,"method":"eth_call","params":["0x1f7d7550B1b028f7571E69A784071F0205FD2EfA","getPool","0x4D21483a44Bf67a86b77E3dA301411880797D452","0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","0xbb8"],"raw_result":"0xc6517047b189c72d3baa9ef37d1d28f27a63638a","result_hash":"97fa0cc42b42cb27b6b1f4fa42363652850975e8bc047afde621aa27f2dcc091","slot":null},{"block":null,"method":"eth_call","params":["0x4D21483a44Bf67a86b77E3dA301411880797D452","symbol()"],"raw_result":"Some(\"BA\")","result_hash":"fa8ab20a23a6c36492dc9dd23cb660bc3ec97b040322349e33351005d3342efa","slot":null},{"block":null,"method":"eth_call","params":["0x4D21483a44Bf67a86b77E3dA301411880797D452","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x4D21483a44Bf67a86b77E3dA301411880797D452","balanceOf","0xc6517047b189c72D3bAa9eF37D1d28F27a63638a"],"raw_result":"Some(\"318364902000295317716\")","result_hash":"c0851f86280abbf1f76ec636a47f4cafbca78a2abb8ca1886c5a1902d784600e","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","0xc6517047b189c72D3bAa9eF37D1d28F27a63638a"],"raw_result":"Some(\"12779026145\")","result_hash":"b3dd3ff6f9c8ad1c8da5e7242c99225db1251f503a049e16d72535844a468143","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(\"695806034790491\")","result_hash":"21a27cf72b5dd60088135211f2c56057779d2f5e723b98f1c89b7732b57a27e1","slot":null},{"block":null,"method":"eth_call","params":["0x4D21483a44Bf67a86b77E3dA301411880797D452","symbol()"],"raw_result":"Some(\"BA\")","result_hash":"fa8ab20a23a6c36492dc9dd23cb660bc3ec97b040322349e33351005d3342efa","slot":null},{"block":null,"method":"eth_call","params":["0x4D21483a44Bf67a86b77E3dA301411880797D452","name()"],"raw_result":"Some(\"Boeing • Robinhood Token\")","result_hash":"829ff9097d60890a1731f321e9795ca061307fa3ddead598dc9dc2f6b6bfda59","slot":null},{"block":null,"method":"eth_call","params":["0x4D21483a44Bf67a86b77E3dA301411880797D452","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x4D21483a44Bf67a86b77E3dA301411880797D452","totalSupply()"],"raw_result":"Some(\"942107080000000000000\")","result_hash":"112ecf094f0de60209f826f80e3b8a125b067f2044ca27237845521df8ff9a59","slot":null},{"block":null,"method":"eth_call","params":["0x4D21483a44Bf67a86b77E3dA301411880797D452","uiMultiplier()"],"raw_result":"1000000000000000000","result_hash":"46754a2491051f216577f1b9f19516f9be1a28c62f023dcbabd8c5317cdefe4b","slot":null},{"block":null,"method":"eth_getCode","params":["0x4D21483a44Bf67a86b77E3dA301411880797D452","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null},{"block":null,"method":"eth_getCode","params":["0x4D21483a44Bf67a86b77E3dA301411880797D452","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null}],"registry_entry":{"chain":"robinhood","contract":"0x4D21483a44Bf67a86b77E3dA301411880797D452","decimals":18,"issuer":"Robinhood","last_checked":"2026-10-18T20:40:19Z","name":"Boeing","official_deployments":[{"address":"0x4D21483a44Bf67a86b77E3dA301411880797D452","network":"Robinhood Chain"}],"source":"robinhood-registry","source_url":"https://api.robinhood.com/rhj/assets","ticker":"BA"},"registry_hash":"232d0be2eda56472709e0cf69b424df4c8dd39a27138a34cf3d57c8f428c0f9e","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0xc6517047b189c72D3bAa9eF37D1d28F27a63638a","ticker":"BA","verdict":{"Verified":{"issuer":"Robinhood","ticker":"BA"}},"version":1}
Signature
/CSvQ3P8j7Lc2Vj9o6UIKtQQFQLzTdCvKKJThZE0v4IsJZw1LBr3gXZiXR35xNhCDDqxJC2JNHjTVFoI2IcqCg==
API call
GET /api/attest/e42815105abdf7454353287a550be90ffd8d259ed60f17e103035692effa97ef
  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.