What Are Zero-Knowledge Proofs (ZKP)?
Summary
This article explains how zero-knowledge proofs let one party prove a claim without exposing private data. It walks through the core roles, the main properties of completeness, soundness, and zero-knowledge, and the difference between interactive and non-interactive proofs. It also shows how ZKPs support privacy-preserving identity checks, age verification, secure data sharing, and blockchain use cases such as Zcash, DeFi, and ZK-rollups. The piece closes by highlighting the benefits, limitations, and operational challenges of adopting ZKPs in real-world systems.
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