Description
imKey HeirBOX S1 is a BIP39-compatible seed phrase backup solution featuring A/B double-sided storage for 12, 18, and 24-word recovery mnemonics. Using the first 4 letters of each mnemonic word per the BIP39 protocol, it provides a compact and organized way to back up your wallet.
Design & Storage
- A/B Double-Sided Storage — Two-sided plate design maximizes storage capacity while keeping the form factor compact.
- 12/18/24-Word Support — Accommodates all standard BIP39 seed phrase lengths.
- First 4 Letters Method — According to the BIP39 protocol, the first 4 letters are unique to each mnemonic phrase, making this abbreviation sufficient for full word identification.
Construction
- Metal Construction — Durable materials designed for long-term protection.
- Compact Form Factor — Easy to store in a safe, safety deposit box, or other secure location.
Compatibility
Compatible with all BIP39 software wallets (MetaMask, Coinbase, Trust Wallet, imToken) and hardware wallets (Ledger, Trezor, Exodus, Electrum, Mycelium, Keepkey, Ngrave).
Ideal For
Users who want a straightforward, organized way to back up their BIP39 seed phrase using the proven first-4-letters method on a durable metal plate.
Highlights
Pros
- Durable metal construction designed for long-term storage in safes or safety deposit boxes.
- Uses the first-4-letters BIP39 method making it universally compatible with all major software and hardware wallets.
- A/B double-sided storage design maximizes capacity while keeping the form factor compact and portable.
Cons
- Tile-based assembly requires manual handling of small components which can be fiddly.
- Supports only BIP39 seed phrases — no private key or passphrase storage capability.
- Tiles could potentially shift out of order if the case is not tightly secured.