Coldbit Passphrase



  • stores up to 6 BIP-39 passphrases
  • each passphrase up to 28 characters long
  • made of heat and corrosion resistant stainless steel
  • comes with 1x Coldbit Jig by default

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).

You can read more about BIP-39 passphrase security here.


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.

Additional information

Weight 0.115 kg
Dimensions 10 × 0.13 × 0.13 cm