Recovery Share
A recovery share is one part of a threshold backup scheme used with other shares to reconstruct wallet recovery material.
✦ Key Insight
It allows geographically separated backups and reduces dependence on one recovery copy.
✕ Common Misconceptions
One share may be insufficient to recover funds, but collecting enough shares can expose the wallet secret.
Detailed Explanation
In Practice
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Private Key
The secret number that authorises spending from a crypto address.
Seed Phrase
A list of 12 or 24 ordinary words that is the master key to every account in your wallet.
Cold Storage
Cold storage keeps cryptocurrency private keys offline to reduce exposure to internet-based attacks.
Shamir Secret Sharing (SSS)
Shamir Secret Sharing is a cryptographic method for splitting a secret into multiple shares so only a chosen threshold can reconstruct it.
Wallet Backup
A wallet backup is recovery material or data kept so access can be restored after device loss, failure, or software removal.