Here’s my multifactor way to store your crypto safely with a break glass scenario for emergencies:
Next, secure your hardware wallets with the following protocol:
- Use steel plates/capsules to protect from physical events and degradation over time.
- Utilize BIP39 passphrase to require a password on top of the seed phrase.
- Shamir’s secret sharing to shard seed phrases to store steel plates/capsules in multiple locations, and prevents any single discovery to be an issue like Shamir39
i.e., multisig wallet with the hardware wallets access to multiple factors with password/pins, and recovery of hardware wallets in case of hardware failure requires knowledge (BIP39 passphrase) on top of just physically recovering multiple seeds. The hardware wallets are somewhat optional but it can be a security risk itself to try and recover your private keys often.
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