Day 55: zk-SNARKs vs. zk-STARKs: A Comparative Analysis

Guilherme Soares
3 min readNov 25, 2023

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“In the realm of zero-knowledge proofs, zk-SNARKs and zk-STARKs are like two sides of the same coin, each with its unique imprint on the landscape of cryptographic privacy.” — Cryptography Expert

Zero-knowledge proofs have revolutionized the way we think about privacy and verification in the digital world. Among these, zk-SNARKs and zk-STARKs stand out as two powerful, yet distinct, cryptographic technologies. While they share a common goal of enabling privacy and scalability in blockchain and beyond, they differ in their methodologies and capabilities. Let’s dive into a comparative analysis of zk-SNARKs and zk-STARKs, unraveling their nuances and applications.

Understanding zk-SNARKs and zk-STARKs

zk-SNARKs (Zero-Knowledge Succinct Non-Interactive Arguments of Knowledge):

  • They are a form of zero-knowledge proofs that allow one party to prove to another that a statement is true without revealing any information beyond the validity of the statement itself.
  • zk-SNARKs are known for their efficiency in terms of size and verification speed.

zk-STARKs (Zero-Knowledge Scalable Transparent ARguments of Knowledge):

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Guilherme Soares

I'm a senior software developer passionate about technology and to share knowledge.