QED
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QED certificate

QED record 68e671c62a46 from . View the live pool page.

Verified · Backed xStocks MSTR

USDC/MSTRx

The pool's quote contract matches Backed xStocks's registry entry for MSTR.

contract match only, not proof of backing or custody, reserves, price, or endorsement

Signature valid · contract match

Ethereum Uniswap v3
Subject
USDC/MSTRx · Ethereum
Pool address
0xEC32103fC313A4719960961Ef99EddcBbb4816DF
Issuer match
Backed xStocks · MSTR · View MSTR contracts
Checked
Valid until
Serial
68e671c62a46
Signed by
QED (key id GJWKkiUd)

Compare this address with the one you were given before you trade.

under 0.01% 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
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Coin\")","result_hash":"fe94af15dc887a2c9df1fb0d6d276e6c586ca9d430ffeac0d05e4baee0637fd1","slot":null},{"block":null,"method":"eth_call","params":["0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","decimals()"],"raw_result":"Some(6)","result_hash":"c68fe6989b1835302197d0af5be845dfab10ed9f9632205eb4ab5b949b9e1a6a","slot":null},{"block":null,"method":"eth_call","params":["0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","totalSupply()"],"raw_result":"Some(\"49500627403313309\")","result_hash":"7e7d59883c0fb9a2b4462a27f0034b2ceb6b079d4f4040496f2c162ec8bea061","slot":null},{"block":null,"method":"eth_call","params":["0xAE2f842EF90C0d5213259Ab82639D5BBF649b08E","symbol()"],"raw_result":"Some(\"MSTRx\")","result_hash":"2e3697209176ff64ca5124425c2bdc1299f4b196c997b9ec8657f1305f64c4f1","slot":null},{"block":null,"method":"eth_call","params":["0xAE2f842EF90C0d5213259Ab82639D5BBF649b08E","name()"],"raw_result":"Some(\"MicroStrategy xStock\")","result_hash":"4965a6154980379f43c8f963046a283a0d87ad0c35ed265ea7d5729424cfb66a","slot":null},{"block":null,"method":"eth_call","params":["0xAE2f842EF90C0d5213259Ab82639D5BBF649b08E","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0xAE2f842EF90C0d5213259Ab82639D5BBF649b08E","totalSupply()"],"raw_result":"Some(\"133000000000000000000000\")","result_hash":"7029ba7ffb89f0b15ded6e63ca2353b658f1e51dee3e8a2b7abfce870f44acc4","slot":null},{"block":null,"method":"eth_getCode","params":["0xAE2f842EF90C0d5213259Ab82639D5BBF649b08E","latest"],"result_hash":"71ee049d0c0cab5d785d7aef2e6b591e511475fb8ef465f4d8f5335bfd412bfd","slot":null},{"block":null,"method":"eth_getCode","params":["0xAE2f842EF90C0d5213259Ab82639D5BBF649b08E","latest"],"result_hash":"71ee049d0c0cab5d785d7aef2e6b591e511475fb8ef465f4d8f5335bfd412bfd","slot":null}],"registry_entry":{"chain":"Ethereum","contract":"0xAE2f842EF90C0d5213259Ab82639D5BBF649b08E","decimals":null,"issuer":"Backed xStocks","last_checked":"2026-09-29T22:37:23Z","name":"MicroStrategy","source":"xstocks-api","source_url":"https://api.xstocks.fi/api/v2/public/assets","ticker":"MSTR"},"registry_hash":"d6272adf0af69a1c2c18f6a79db79616f69be8189283a420b5ba6e572aa0e4ad","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0xEC32103fC313A4719960961Ef99EddcBbb4816DF","ticker":"MSTR","verdict":{"Verified":{"issuer":"Backed xStocks","ticker":"MSTR"}},"version":1}
Signature
pT3tAjgT0QglnLseLUAaP1grcHQGrUiZBb+150RM9XEIMGPrlx5kecmUuW1F06awzN5NDTxDBgFNlhNoFKX9Cg==
API call
GET /api/attest/68e671c62a468d1d4899723adf69d9e63128700c2eb542da00e182092923ab98
  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.