The Best Bitcoin Hardware Wallets & Seed Phrase Backup Tools

A simple directory of the best Bitcoin signing devices, metal seed backup tools, and supporting wallet software — because your sats are best stored cold.

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Coldbit Steel

Coldbit Steel

Coldbit Steel is a durable solution for your Bitcoin seed backup.

Metal Backups

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Coldbit Steel - Unbranded features

stores up to 24 words (each word up to 8 letters)
extra line that can store up to 16 letters for Wallet ID/Fingerprint
2 stainless steel plates — heat and corrosion resistant (AISI 304)
4mm thick stamping plate and 2mm thick cover
2 nickel binding posts (countersink hole on the back – the wallet lays flat on the table)
no loose parts
metal box
additional testing plate to practice stamping and provide support
unbranded version

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