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Private Key
Encryption
A secret key that proves it’s you or unlocks encrypted data.
Definition
A private key is a secret cryptographic key that you must keep safe. It can decrypt data or create signatures.
In plain English
A secret key that proves it’s you or unlocks encrypted data.
Why this matters
Why it matters: If someone gets your private key, they can impersonate you or access protected data.
Example
Example: In crypto wallets, the private key controls your funds.