Question

What is a public key?

Answer 1

A public key is a cryptographic key that is used to encrypt data or verify digital signatures. It is typically shared openly and used by others to encrypt messages that only the holder of the corresponding private key can decrypt.

Answer 2

A public key is a cryptographic key that can be freely shared and is used to encrypt data or verify signatures. It is one half of a key pair used in public key cryptography, along with the private key. The public key is used to encrypt data or verify signatures, while the private key is kept secret and used for decryption or creating signatures.