Zero-knowledge proofs, explained By Cointelegraph

ZK-proofs provide privacy and security benefits, but they can be computationally intensive and complex to implement.

Developing and verifying ZK-proofs can be resource- and computationally intensive, particularly for more complicated proofs. This can result in longer processing times for transactions and more computational work, which might make blockchain systems more difficult to scale.

Privacy and confidentiality

Verification and auditing

Scalability

Identity and authentication

Cross-chain interoperability

The problem

Solution using the ZK-proofs protocol

Setup

Statement

Round 1: Commitment

Round 2: Challenge

Round 3: Response

Iteration

Conclusion

Interactive ZK-proofs

Non-interactive ZK-proofs

Statistical ZK-proofs

Proof-of-knowledge (PoK)

Proofs of shuffle and range

Sigma protocols

Bulletproofs

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