Description
Einszeit is an OTP (One-Time Pad) key generator and key vault that can (in theory) provide perfect quantum-proof encryption between two paired devices.
Einszeit is sold in pairs.
Currently available for pre-order. Final appearance, specifications and features subject to change.
Expected to ship in Q4 2026.
Features
- Two Einszeit devices
- 4MB flash memory each for built-in key storage
- MicroSD for external key storage / exchange
- Hardware RNG for OTP key generation
- Open-source messaging software
- 3D-printed enclosures included
Resources
- Open-source software and firmware are available on GitHub




