QED
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QED certificate

QED record 7897f5821a58 from . View the live pool page.

Verified · Robinhood QQQ

Does QQQ / SPY match its issuer's published contract?

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

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
QQQ / SPY · Robinhood Chain
Pool address
0x8493982435e4273028008cd181c84c0d6a548f96792fdb5acddcbb6a8c82d305
Issuer match
Robinhood · QQQ · View QQQ contracts
Checked
Valid until
Serial
7897f5821a58
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":94282189,"chain":"robinhood","checked_at":"2026-10-21T12:28:11Z","dev":false,"expires_at":"2026-10-22T12:28:11Z","issuer":"Robinhood","pool":{"base":{"address":"0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","balance":"105045673351284785148454","decimals":18,"symbol":"SPY"},"chain":"robinhood","dex":"uniswap-v4","pool":"0x8493982435e4273028008cd181c84c0d6a548f96792fdb5acddcbb6a8c82d305","quote":{"address":"0xD5f3879160bc7c32ebb4dC785F8a4F505888de68","balance":"112261922061126439744426","decimals":18,"symbol":"QQQ"}},"quote_share_of_supply":null,"reads":[{"block":null,"method":"eth_call","params":["0x58daec3116aae6d93017baaea7749052e8a04fa7","poolKeys","0x8493982435e4273028008cd181c84c0d6a548f96792fdb5acd"],"raw_result":"Object {\"currency0\": String(\"0x117cc2133c37b721f49de2a7a74833232b3b4c0c\"), \"currency1\": String(\"0xd5f3879160bc7c32ebb4dc785f8a4f505888de68\"), \"fee\": String(\"200\"), \"hooks\": String(\"0x0000000000000000000000000000000000000000\"), \"tickSpacing\": String(\"2\")}","result_hash":"fbd7bc389688c23f2b493876800119fe92ed1cb93d3b9272659bad4fb290e894","slot":null},{"block":null,"method":"eth_call","params":["0xf3334192d15450cdd385c8b70e03f9a6bd9e673b","getSlot0","0x8493982435e4273028008cd181c84c0d6a548f96792fdb5acddcbb6a8c82d305"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0xf3334192d15450cdd385c8b70e03f9a6bd9e673b","getLiquidity","0x8493982435e4273028008cd181c84c0d6a548f96792fdb5acddcbb6a8c82d305"],"raw_result":"108593872730557312842333","result_hash":"401f55cdfad5f952fdcade6f402dcc67c59bc082c62c9c292c2b0774339b02e8","slot":null},{"block":null,"method":"eth_call","params":["0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","symbol()"],"raw_result":"Some(\"SPY\")","result_hash":"34d3f5561d0147a414433e6c15434a3cfed40c9603e695e4557af839e9d67e41","slot":null},{"block":null,"method":"eth_call","params":["0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0xD5f3879160bc7c32ebb4dC785F8a4F505888de68","symbol()"],"raw_result":"Some(\"QQQ\")","result_hash":"3484733d4c72ec171630e7c55163bd00f2a50a818074ea0bde42a199df42cadb","slot":null},{"block":null,"method":"eth_call","params":["0xD5f3879160bc7c32ebb4dC785F8a4F505888de68","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":94282189,"method":"eth_blockNumber","params":[],"result_hash":"ad6aed255f718e22a38c8235e3a6e7f163d4b98985350f693d15545d30e98009","slot":null},{"block":null,"method":"eth_call","params":["0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","symbol()"],"raw_result":"Some(\"SPY\")","result_hash":"34d3f5561d0147a414433e6c15434a3cfed40c9603e695e4557af839e9d67e41","slot":null},{"block":null,"method":"eth_call","params":["0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","name()"],"raw_result":"Some(\"SPDR S&P 500 ETF Trust • Robinhood Token\")","result_hash":"8e872eb8019f8165d7591012f3d4fabe99c7ad3ac88c5827668a1278380a33a5","slot":null},{"block":null,"method":"eth_call","params":["0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","totalSupply()"],"raw_result":"Some(\"26487501815450000000000\")","result_hash":"c78d49129989d88ec684783b6ea1e0979c9b33da0283ab565f23b99766ed2f1a","slot":null},{"block":null,"method":"eth_call","params":["0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","uiMultiplier()"],"raw_result":"1001717991187472003","result_hash":"23f9fe5ef231fb76617034b1a2541e1a829a3a2b9ea57f99dded816d6ecf8bfe","slot":null},{"block":null,"method":"eth_call","params":["0xD5f3879160bc7c32ebb4dC785F8a4F505888de68","symbol()"],"raw_result":"Some(\"QQQ\")","result_hash":"3484733d4c72ec171630e7c55163bd00f2a50a818074ea0bde42a199df42cadb","slot":null},{"block":null,"method":"eth_call","params":["0xD5f3879160bc7c32ebb4dC785F8a4F505888de68","name()"],"raw_result":"Some(\"Invesco QQQ • Robinhood Token\")","result_hash":"d3667227e735e48c9eceb564152fba2b7f5ddfa823fb19e531daf7024b9b03f0","slot":null},{"block":null,"method":"eth_call","params":["0xD5f3879160bc7c32ebb4dC785F8a4F505888de68","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0xD5f3879160bc7c32ebb4dC785F8a4F505888de68","totalSupply()"],"raw_result":"Some(\"7327440084190000000000\")","result_hash":"b99a89e0ebfc9175212ea8e4f2a81c83fc3100bc28c141de01b044dc4e2995d9","slot":null},{"block":null,"method":"eth_call","params":["0xD5f3879160bc7c32ebb4dC785F8a4F505888de68","uiMultiplier()"],"raw_result":"1000700791241405425","result_hash":"b37529cae6d6cc0e9a51d27ebcccf454ac68f582f8c74195dbfd6e7170317a93","slot":null},{"block":null,"method":"eth_getCode","params":["0xD5f3879160bc7c32ebb4dC785F8a4F505888de68","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null},{"block":null,"method":"eth_getCode","params":["0xD5f3879160bc7c32ebb4dC785F8a4F505888de68","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null}],"registry_entry":{"chain":"robinhood","contract":"0xD5f3879160bc7c32ebb4dC785F8a4F505888de68","decimals":18,"issuer":"Robinhood","last_checked":"2026-10-21T11:40:19Z","name":"Invesco QQQ","official_deployments":[{"address":"0xD5f3879160bc7c32ebb4dC785F8a4F505888de68","network":"Robinhood Chain"}],"source":"robinhood-registry","source_url":"https://api.robinhood.com/rhj/assets","ticker":"QQQ"},"registry_hash":"93152e39c695658a34c9bda84906234fcad15c3b04c297499cf30850c38509bd","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0x8493982435e4273028008cd181c84c0d6a548f96792fdb5acddcbb6a8c82d305","ticker":"QQQ","verdict":{"Verified":{"issuer":"Robinhood","ticker":"QQQ"}},"version":1}
Signature
8wfP12sB3S7/vyVuO9HPuUM9IL4aY+FEqaEtU3xHAnIxqLiFwFNANEqEGbUKrlDz7/G8X28lZkJH/dOrPbzlDw==
API call
GET /api/attest/7897f5821a583b31f3dc6003ace0fcf0d1926981472a5dd2edcfeff3e8067ef2
  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.