Support

Krest is account-less and collects no user data — so most questions can be answered without any access to your device.

Contact

Before launch: set up the support@krestapp.com mailbox (or change the address here).

Krest requires bit-exactness. Any change (crop, filter, re-compression) permanently invalidates verification — by design.

No. Krest works without an account and without tracking.

No. Media bytes stay on the device; the relay sees only hashes, the share relay only encrypted data. See Privacy.

Via the Verify tab in the app or the public web verifier — the check runs locally against Bitcoin.