Backup
wallet · security
A redundant copy of critical wallet data (seeds, descriptors, keys) stored to recover funds if a device is lost.
1.definition
Wallet backups often include a seed phrase, passphrase (if used), and sometimes descriptors. Secure storage and periodic recovery tests are essential to ensure funds remain accessible.
2.caution
- Protect backups from theft, loss, and damage (fire/water)
- Keep offsite copies and avoid single points of failure
Related terms
Seed Phrase
→A human-readable backup that can recreate a wallet’s private keys, addresses, and spend authority.
wallet · security
Extended Public Key (xpub)
→A BIP32 extended public key that derives many child public keys and addresses without revealing private keys.
wallet · hd-wallet
Shamir's Secret Sharing
→A cryptographic method to split a secret into multiple shares so any threshold subset can reconstruct it.
security · wallet
All terms and definitions may update as the Cryptionary improves.