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 Passphrase

Coldbit Passphrase

Coldbit Passphrase is a durable solution for your wallet passphrase backup. It’s made of a hexagonal stainless steel rod and allows you to safely back up and store up to 6 different passphrases.

Metal Backups

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Coldbit Passphrase features

stores up to 6 BIP-39 passphrases
each passphrase up to 28 characters long
made of heat and corrosion resistant stainless steel

Coldbit Passphrase is a durable solution for your wallet passphrase backup. It’s made of a hexagonal stainless steel rod and allows to safely backup and store up to 6 different passphrases. Each passphrase can store up to 4 – 6 words (depends on their length).

Important: After stamping your passphrases store it in a safe place away from your wallet seed backup. Your wallet passphrase is the ultimate protection of your funds. If someone finds both your wallet seed and your passphrase your funds are likely to be stolen.

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