Billfodl is the most secure way to store your crypto wallet backup offline, safe from hackers and acts of god. Using a randomized set of character tiles, you recreate your recovery phrase in the steel unit, creating an almost indestructible back up. Works best with Crypto wallets like Ledger and Trezor. Fire Proof Forged to withstand more than double the average house fire Water Proof Marine grade 316 stainless steel means it will never rust Shock Proof Shock proof up to 1,000,000 volts means serious protection Hacker Proof Seeds and keys remain completely offline so no hacker can touch you You Proof Unlike a piece of paper, You will never accidentally throw away your Billfodl