SEED12 – Backup Core – Cryptosteel. Metal Backup for 12-Word Seed Phrase, Password and Private Key. Crypto Cold Wallet. Bitcoin

Price: $33.00
(as of Jan 27, 2026 19:31:50 UTC – Details)


Metal backup for 12-word seed phrase, password and private key The basic unit for permanent backup The set includes a Seed12 core, four splitters, 12+ dividers and 310+ double-sided letter tokens (Aa-Zz Latin alphabet). The Seed12 is compatible with a variety of non-custodial wallets, including hardware, software and lightning wallets that support BIP39, BIP32, BIP44 and SLIP39 standards. It can securely store a 12-word seed phrase, which is a common option for most hardware wallets and the default setting for many non-custodial software and Lightning wallets, or passwords up to 64 characters in length. Supported wallet brands include hardware wallets (Blockstream, Bitbox, Ledger, KeepKey, Coldcard, Passport by Foundation), software wallets (Green, Electrum, Exodus, Electrum, Samourai, Trust Wallet) and lightning wallets (BlueWallet, Wallet of Satoshi, Phoenix, Zap, Breez). All of these wallets are non-custodial, meaning you retain full control over your private keys and seed phrases, making them compatible with Seed12 to securely store and recover your sensitive information. 65 x 39 x 15 mm
The newest product from Cryptosteel
Metal backup for 12-word seed phrase, password and private key
The Seed12 is designed for storing 12-word seed phrases or passwords up to 64 characters (e.g., master passwords, private keys, passphrases).
Supported wallet brands include hardware wallets (Blockstream, Bitbox, Ledger, KeepKey, Coldcard, Passport by Foundation), software wallets (Green, Electrum, Exodus, Electrum, Samourai, Trust Wallet), and Lightning wallets (BlueWallet, Wallet of Satoshi, Phoenix, Zap, Breez).