3x Coldbit Steel Bundle + 3x Coldbit Passphrase



  • 3 Coldbit Steel metal wallets + 3 Coldbit Passphrase rods
  • you save 50 EUR
  • each wallet stores up to 24 words (each word up to 8 letters)
  • extra line that can store up to 16 letters for Wallet ID
  • each wallet has 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
  • comes with 3x Coldbit Passphrase for BIP39 passphrase backup (included in the price)
  • 2x Coldbit Jig
  • additional testing plate to practice stamping and provide support
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This is a bundle offer of 3x Coldbit Steel + 3x Coldbit Passphrase.

It’s great for 2-of-3 multisig setup.

You save 50 EUR with the bundle offer.

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

Made of 4mm thick stainless steel plate, a 2mm thick stainless steel cover and 2 nickel binding posts.

It’s designed to withstand house fire, flood, electrical shock, extreme temperatures (up to 1200 C) and humidity (corrosion resistance).

Compatible with any 24 or 12 word seeds (BIP 39) and wallets (eg. Trezor, Ledger, Electrum and any BIP-39 wallet).

Coldbit Steel 3x Bundle ships with 3x Coldbit Passphrase by default (included in the price) and 2x Coldbit Jig.

IMPORTANT: Please don’t forget about ordering the stamp set and the hammer – they’re sold separately.

Additional information

Weight 2.4 kg
Dimensions 10 × 6 × 0.6 cm