QED certificate
QED record ced58849e5d0 from . View the live pool page.
Verified · Robinhood SPY
Does SPY / WETH match its issuer's published contract?
The pool's quote contract matches Robinhood's registry entry for SPY.
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
- Subject
- SPY / WETH · Robinhood Chain
- Pool address
-
0xDDCBBa3666f578E3F09516f21Ff85BFee859AB5e - Issuer match
- Robinhood · SPY · View SPY contracts
- Checked
- Valid until
- Serial
-
ced58849e5d0 - 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.
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":91896001,"chain":"robinhood","checked_at":"2026-10-18T16:02:46Z","dev":false,"expires_at":"2026-10-19T16:02:46Z","issuer":"Robinhood","pool":{"base":{"address":"0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","balance":"584221267578135871288","decimals":18,"symbol":"WETH"},"chain":"robinhood","dex":"uniswap-v3","pool":"0xDDCBBa3666f578E3F09516f21Ff85BFee859AB5e","quote":{"address":"0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","balance":"733890912226665279910","decimals":18,"symbol":"SPY"}},"quote_share_of_supply":0.02699508653907308,"reads":[{"block":91896001,"method":"eth_blockNumber","params":[],"result_hash":"b3d5d7319bd0eac909868da5d3cf18ffc1bf47a25be313a423ce5ffac45050be","slot":null},{"block":null,"method":"eth_call","params":["0xDDCBBa3666f578E3F09516f21Ff85BFee859AB5e","token0()"],"raw_result":"0x0bd7d308f8e1639fab988df18a8011f41eacad73","result_hash":"de544c5c8fa36cc133d3195abda0458ac2fac1d8dc7a92dfa423a4c9aa1b415d","slot":null},{"block":null,"method":"eth_call","params":["0xDDCBBa3666f578E3F09516f21Ff85BFee859AB5e","token1()"],"raw_result":"0x117cc2133c37b721f49de2a7a74833232b3b4c0c","result_hash":"0bad12daf170a4396e80fc7cf0113478ee41f5efde1eee3745b8587273255e6f","slot":null},{"block":null,"method":"eth_call","params":["0xDDCBBa3666f578E3F09516f21Ff85BFee859AB5e","getReserves()"],"raw_result":"false","result_hash":"076de6e730df0b4c3860877a0f619c6ac11f8aefd78313ac793a2a703c026869","slot":null},{"block":null,"method":"eth_call","params":["0xDDCBBa3666f578E3F09516f21Ff85BFee859AB5e","slot0()"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0xDDCBBa3666f578E3F09516f21Ff85BFee859AB5e","factory()"],"raw_result":"0x1f7d7550b1b028f7571e69a784071f0205fd2efa","result_hash":"bf7614e6e838b22e4363dfcb3022451641875235ca13e64f8d2d8c3334ff85f3","slot":null},{"block":null,"method":"eth_call","params":["0xDDCBBa3666f578E3F09516f21Ff85BFee859AB5e","fee()"],"raw_result":"500","result_hash":"5ac95f46dcda9e6a85f4d281cd691aea7b00846d8f8612d198d396136e9c5140","slot":null},{"block":null,"method":"eth_call","params":["0x1f7d7550B1b028f7571E69A784071F0205FD2EfA","getPool","0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","0x1f4"],"raw_result":"0xddcbba3666f578e3f09516f21ff85bfee859ab5e","result_hash":"bc995bd78c86db363a60d247dbaf9c78737554c89eced5192fe64b53c043532a","slot":null},{"block":null,"method":"eth_call","params":["0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","symbol()"],"raw_result":"Some(\"WETH\")","result_hash":"dc9a1e89eb43cbff5ed113508a53364a9573ef16fa5feb01fc948b3da8bfe14b","slot":null},{"block":null,"method":"eth_call","params":["0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","balanceOf","0xDDCBBa3666f578E3F09516f21Ff85BFee859AB5e"],"raw_result":"Some(\"584221267578135871288\")","result_hash":"68407c07e0fb153224b328ae121b2097addc671420b9a26e4ffc9b248e17316b","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":["0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","balanceOf","0xDDCBBa3666f578E3F09516f21Ff85BFee859AB5e"],"raw_result":"Some(\"733890912226665279910\")","result_hash":"4994342eba057dd35ceda7ae21bcf77d800cb914bc495a82902a7fb41660512b","slot":null},{"block":null,"method":"eth_call","params":["0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","symbol()"],"raw_result":"Some(\"WETH\")","result_hash":"dc9a1e89eb43cbff5ed113508a53364a9573ef16fa5feb01fc948b3da8bfe14b","slot":null},{"block":null,"method":"eth_call","params":["0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","name()"],"raw_result":"Some(\"WETH\")","result_hash":"dc9a1e89eb43cbff5ed113508a53364a9573ef16fa5feb01fc948b3da8bfe14b","slot":null},{"block":null,"method":"eth_call","params":["0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","totalSupply()"],"raw_result":"Some(\"39098103820276354772080\")","result_hash":"8c1efe44725d9e335f82672156f2de408cfaee04eb381d2279bb590abd459705","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(\"27186092223280000000000\")","result_hash":"e979f875c266e2f95d7f0216d26a1e6de93250ed8a34ebd26ebe35fdcfc983e5","slot":null},{"block":null,"method":"eth_call","params":["0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","uiMultiplier()"],"raw_result":"1001717991187472003","result_hash":"23f9fe5ef231fb76617034b1a2541e1a829a3a2b9ea57f99dded816d6ecf8bfe","slot":null},{"block":null,"method":"eth_getCode","params":["0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null},{"block":null,"method":"eth_getCode","params":["0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","latest"],"result_hash":"e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25","slot":null}],"registry_entry":{"chain":"robinhood","contract":"0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","decimals":18,"issuer":"Robinhood","last_checked":"2026-10-18T15:47:33Z","name":"SPDR S&P 500 ETF Trust","official_deployments":[{"address":"0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","network":"Robinhood Chain"}],"source":"robinhood-registry","source_url":"https://api.robinhood.com/rhj/assets","ticker":"SPY"},"registry_hash":"2bf13ff4020924ba1c74d8e732c3dd1609679a3b9a6dc8a796250beb0ae1b589","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0xDDCBBa3666f578E3F09516f21Ff85BFee859AB5e","ticker":"SPY","verdict":{"Verified":{"issuer":"Robinhood","ticker":"SPY"}},"version":1}- Signature
WeCZyTIyst1n8fImOU4II02FkglLznq4PTvo2fO2qP8PtW2k2hrbE9WY4XU/rMppxoef3VISspJa8npAZ2irDg==- API call
GET /api/attest/ced58849e5d024a7df584864d8b8b45719f29c5d185dba67edcc85733d0be157
- Fetch the public key and attestation JSON, then verify the signature with the published key.
- Canonicalize the payload with sorted object keys and no whitespace, then verify its SHA-256 attestation id.
- Run the API call above and compare the returned payload, serial, signer, and signature with this certificate.
- Attestation id
-
ced58849e5d024a7df584864d8b8b45719f29c5d185dba67edcc85733d0be157 - Subject
0xDDCBBa3666f578E3F09516f21Ff85BFee859AB5e- Checked at
- Expires at
- Signer
GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn- Registry hash
2bf13ff4020924ba1c74d8e732c3dd1609679a3b9a6dc8a796250beb0ae1b589- Signature
WeCZyTIyst1n8fImOU4II02FkglLznq4PTvo2fO2qP8PtW2k2hrbE9WY4XU/rMppxoef3VISspJa8npAZ2irDg==- Block / slot
- 91896001 / unknown
Every read
eth_blockNumber · b3d5d7319bd0
- Parameters
[]- Result hash
b3d5d7319bd0eac909868da5d3cf18ffc1bf47a25be313a423ce5ffac45050be- Block / slot
- 91896001 / unknown
eth_call · de544c5c8fa3
- Parameters
["0xDDCBBa3666f578E3F09516f21Ff85BFee859AB5e","token0()"]- Result hash
de544c5c8fa36cc133d3195abda0458ac2fac1d8dc7a92dfa423a4c9aa1b415d- Raw result
"0x0bd7d308f8e1639fab988df18a8011f41eacad73"- Block / slot
- unknown / unknown
eth_call · 0bad12daf170
- Parameters
["0xDDCBBa3666f578E3F09516f21Ff85BFee859AB5e","token1()"]- Result hash
0bad12daf170a4396e80fc7cf0113478ee41f5efde1eee3745b8587273255e6f- Raw result
"0x117cc2133c37b721f49de2a7a74833232b3b4c0c"- Block / slot
- unknown / unknown
eth_call · 076de6e730df
- Parameters
["0xDDCBBa3666f578E3F09516f21Ff85BFee859AB5e","getReserves()"]- Result hash
076de6e730df0b4c3860877a0f619c6ac11f8aefd78313ac793a2a703c026869- Raw result
"false"- Block / slot
- unknown / unknown
eth_call · 18d10c7d2b4b
- Parameters
["0xDDCBBa3666f578E3F09516f21Ff85BFee859AB5e","slot0()"]- Result hash
18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee- Raw result
"true"- Block / slot
- unknown / unknown
eth_call · bf7614e6e838
- Parameters
["0xDDCBBa3666f578E3F09516f21Ff85BFee859AB5e","factory()"]- Result hash
bf7614e6e838b22e4363dfcb3022451641875235ca13e64f8d2d8c3334ff85f3- Raw result
"0x1f7d7550b1b028f7571e69a784071f0205fd2efa"- Block / slot
- unknown / unknown
eth_call · 5ac95f46dcda
- Parameters
["0xDDCBBa3666f578E3F09516f21Ff85BFee859AB5e","fee()"]- Result hash
5ac95f46dcda9e6a85f4d281cd691aea7b00846d8f8612d198d396136e9c5140- Raw result
"500"- Block / slot
- unknown / unknown
eth_call · bc995bd78c86
- Parameters
["0x1f7d7550B1b028f7571E69A784071F0205FD2EfA","getPool","0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","0x1f4"]- Result hash
bc995bd78c86db363a60d247dbaf9c78737554c89eced5192fe64b53c043532a- Raw result
"0xddcbba3666f578e3f09516f21ff85bfee859ab5e"- Block / slot
- unknown / unknown
eth_call · dc9a1e89eb43
- Parameters
["0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","symbol()"]- Result hash
dc9a1e89eb43cbff5ed113508a53364a9573ef16fa5feb01fc948b3da8bfe14b- Raw result
"Some(\"WETH\")"- Block / slot
- unknown / unknown
eth_call · c14f173ff30d
- Parameters
["0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","decimals()"]- Result hash
c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764- Raw result
"Some(18)"- Block / slot
- unknown / unknown
eth_call · 68407c07e0fb
- Parameters
["0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","balanceOf","0xDDCBBa3666f578E3F09516f21Ff85BFee859AB5e"]- Result hash
68407c07e0fb153224b328ae121b2097addc671420b9a26e4ffc9b248e17316b- Raw result
"Some(\"584221267578135871288\")"- Block / slot
- unknown / unknown
eth_call · 34d3f5561d01
- Parameters
["0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","symbol()"]- Result hash
34d3f5561d0147a414433e6c15434a3cfed40c9603e695e4557af839e9d67e41- Raw result
"Some(\"SPY\")"- Block / slot
- unknown / unknown
eth_call · c14f173ff30d
- Parameters
["0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","decimals()"]- Result hash
c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764- Raw result
"Some(18)"- Block / slot
- unknown / unknown
eth_call · 4994342eba05
- Parameters
["0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","balanceOf","0xDDCBBa3666f578E3F09516f21Ff85BFee859AB5e"]- Result hash
4994342eba057dd35ceda7ae21bcf77d800cb914bc495a82902a7fb41660512b- Raw result
"Some(\"733890912226665279910\")"- Block / slot
- unknown / unknown
eth_call · dc9a1e89eb43
- Parameters
["0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","symbol()"]- Result hash
dc9a1e89eb43cbff5ed113508a53364a9573ef16fa5feb01fc948b3da8bfe14b- Raw result
"Some(\"WETH\")"- Block / slot
- unknown / unknown
eth_call · dc9a1e89eb43
- Parameters
["0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","name()"]- Result hash
dc9a1e89eb43cbff5ed113508a53364a9573ef16fa5feb01fc948b3da8bfe14b- Raw result
"Some(\"WETH\")"- Block / slot
- unknown / unknown
eth_call · c14f173ff30d
- Parameters
["0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","decimals()"]- Result hash
c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764- Raw result
"Some(18)"- Block / slot
- unknown / unknown
eth_call · 8c1efe44725d
- Parameters
["0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","totalSupply()"]- Result hash
8c1efe44725d9e335f82672156f2de408cfaee04eb381d2279bb590abd459705- Raw result
"Some(\"39098103820276354772080\")"- Block / slot
- unknown / unknown
eth_call · 34d3f5561d01
- Parameters
["0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","symbol()"]- Result hash
34d3f5561d0147a414433e6c15434a3cfed40c9603e695e4557af839e9d67e41- Raw result
"Some(\"SPY\")"- Block / slot
- unknown / unknown
eth_call · 8e872eb8019f
- Parameters
["0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","name()"]- Result hash
8e872eb8019f8165d7591012f3d4fabe99c7ad3ac88c5827668a1278380a33a5- Raw result
"Some(\"SPDR S&P 500 ETF Trust • Robinhood Token\")"- Block / slot
- unknown / unknown
eth_call · c14f173ff30d
- Parameters
["0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","decimals()"]- Result hash
c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764- Raw result
"Some(18)"- Block / slot
- unknown / unknown
eth_call · e979f875c266
- Parameters
["0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","totalSupply()"]- Result hash
e979f875c266e2f95d7f0216d26a1e6de93250ed8a34ebd26ebe35fdcfc983e5- Raw result
"Some(\"27186092223280000000000\")"- Block / slot
- unknown / unknown
eth_call · 23f9fe5ef231
- Parameters
["0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","uiMultiplier()"]- Result hash
23f9fe5ef231fb76617034b1a2541e1a829a3a2b9ea57f99dded816d6ecf8bfe- Raw result
"1001717991187472003"- Block / slot
- unknown / unknown
eth_getCode · e023f4a2e146
- Parameters
["0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","latest"]- Result hash
e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25- Block / slot
- unknown / unknown
eth_getCode · e023f4a2e146
- Parameters
["0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","latest"]- Result hash
e023f4a2e14683cf62969bf3dc7d7821b1e293e30ebe17f3bc5fd0b223173f25- Block / slot
- unknown / unknown