A stainless steel plate you etch yourself to record a BIP39 recovery phrase, sold with an etching tool. Black Seed Ink also offers separate plates for passphrases, master passwords and exchange logins, plus tamper-seal security kits.
Source: Official website — product page. Last checked 2026-09-18. Spot an error? Tell us.
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Billfodl's multi-unit kit for splitting a recovery phrase across several steel devices, aimed at Shamir-style or multi-location backup schemes. Uses the same stainless steel tile system as the standard Billfodl.
A Swiss-engineered hexagonal metal bar with grooves on all six sides that hold pre-engraved letter tiles, so no stamping tools are needed. Weighs 515g, works with 12 or 24-word BIP39 phrases, and ships with over 2,000 tiles. BitBar also sells polymer backup cards and special-character tile sets.
Two engraved stainless steel sheets from Swiss maker Shift Crypto, holding up to 24 recovery words at 12 per sheet. An automatic puncher is included and only the first four letters of each BIP39 word need marking. Made in the EU with a two-year warranty.
Shift Crypto's heavy-duty reusable backup, built from thick stainless steel with a screw closure and tamper-evident sticker. Because it uses rearrangeable character tiles rather than punched marks, the stored phrase can be updated at any time.
Bitcoin-Safe is free and open-source desktop software for managing bitcoin cold storage wallets, built on the Bitcoin Development Kit. It requires a hardware signer and provides a modern interface for single-signature and multisig cold storage across Windows, macOS and Linux.
A metal plate marked by indenting single dots next to the correct letters, creating a permanent record of seed words or a passphrase with no tiles and no stamp set. A half-size Domino One 2 variant covers 12-word phrases at the same metal composition, thickness and grid depth.