crypto client-sidenetwork zeroverifies ed25519 + merkleenv umbra-xmr.com
Verify a receipt
Check the bridge's signed swap receipts against its own promises. All cryptography runs locally in your browser. Nothing you paste here is sent anywhere.
Don't want to trust this website either? Download umbra-verify.html — a single self-contained file you open from your own disk. It makes zero network requests and verifies the same receipts, checkpoints, and Merkle inclusion proofs.
Look up or paste a receipt
The API only supplies the data; every signature check happens client-side.
If set, every signature must be made by exactly this key. Without a pin, verification proves internal consistency but not who signed. Stored only in your browser.
Explore the full proof layer on the Transparency page.