Security from the Start
➤ Your private key, created by hand with true randomness: rolling dice.
➤ Transferring the dice numbers into 23 words of the BIP39 word list.
✓ The checksum, the 24th word, cryptographically calculated solely by you on an air-gapped Linux machine.
Security by Design
➤ Your private key, securely split into 5 shares using OMDP39.
➤ Cryptographic conversion to BASE24.
✓ Custom text input by you, e.g., a reminder or instructions to recover the 5 shares.
Physical Durability
➤ Automated data transfer from the air-gapped machine to a fiber laser engraver.
➤ Engraved in V4A stainless steel for eternity.
✓ Deep engraving: 20/100mm, heat-resistant and acid-proof.
Confidential Handling of Sensitive Data
➤ The air-gapped machine has no hard drive and no wireless chips.
➤ Everything runs in the Linux RAM. You alone operate the system.
✓ Upon shutting down the computer, all private data is automatically wiped.