Zero-Knowledge Proof

A zero-knowledge proof (ZKP) is a cryptographic method that allows one party to prove they know certain information without revealing the information. This technique enhances privacy and security in blockchain systems. For example, a user can verify their age without disclosing their birth date. ZKPs are utilised in blockchains to validate transactions and credentials without exposing sensitive data. They are employed in privacy-focused projects such as Zcash. As blockchain technology matures, zero-knowledge proofs play a vital role in protecting users while ensuring transparency and trust within networks.