NextGenBeing Founder
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Loading...Introduction to Zero-Knowledge Proofs
Last quarter, our team discovered the importance of zero-knowledge proofs when dealing with sensitive data in our blockchain application. We needed a way to verify transactions without revealing the underlying information. This is where zkSNARKs and zkSTARKs come into play. In this article, I'll share what I learned about these two technologies and how we implemented them in our project.
Understanding zkSNARKs
zkSNARKs (Zero-Knowledge Succinct Non-Interactive Argument of Knowledge) is a type of zero-knowledge proof that allows one party to prove that a statement is true without revealing any information beyond the validity of the statement. I realized that zkSNARKs are particularly useful in scenarios where data privacy is crucial, such as in voting systems or digital identity verification.
When I first tried to implement zkSNARKs, it broke because I didn't account for the circuit complexity. The circuit size and depth directly impact the proof generation time and verification time. We used Circom 2.1 to generate and verify the proofs, which simplified the process significantly.
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