Cold Wallets
Offline key custody for digital assets and operational funds.
What to look for
- Open documentation; proven secure elements and firmware life‑cycle.
- Passphrase support and multisig options.
OPSEC tips
- Don’t expose seed to networked devices.
- Use per‑compartment wallets; never mix funds across identities.
Mistakes
- Photographing seeds; storing in cloud notes.
- Using the same wallet for test and production funds.
Related: Seed Storage