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).
- No loose parts
- Metal box
- Comes with 1x Coldbit Passphrase for BIP39 passphrase backup (included in the price)
- Additional testing plate to practice stamping and provide support
24 or 12 word seeds (BIP 39) and wallets
(eg. Trezor, Ledger, Electrum and any BIP-39 wallet)
Please don’t forget about ordering the stamp set and the hammer – they’re sold separately.