Category: Cryptography

What is Private Key?

Summary Definition: A secret 256-bit cryptographic number used to sign transactions and authorize transfers.

Detailed Technical Explanation

A private key is the secret component of an asymmetric key pair. It proves ownership and authorizes spending from an address through digital signatures without disclosing the key itself.

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Related Cryptography Terms

Address

A public alphanumeric identifier derived from a public key that represents a destination...

Hash

A fixed-length alphanumeric string produced by feeding arbitrary data into a one-way...

Public Key

The mathematical counterpart to a private key, used to verify signatures and derive...

Zero Knowledge Proof

A cryptographic protocol allowing one party to prove a statement is true without...

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