Zend! is fully non-custodial. Your private keys are generated on your device and never leave it. We have no access to your wallet, your keys, or your funds — and that's by design. Your money is always yours.
All transaction data is encrypted in transit using TLS 1.3. Your wallet keys are encrypted at rest on your device using industry-standard cryptography. No sensitive key material ever touches our servers.
If you discover a vulnerability, please contact us responsibly: security@usezend.app — We review all reports within 48 hours and respond promptly to critical issues.