How do I install ZoKrates and create my first zkSNARK proof?

The tutorial uses Docker to run ZoKrates, with steps like 'docker build -t zokrates' and commands such as 'compile' for programs and 'generate-proof' for proofs. Follow the exact commands in the README, but note that ZoKrates may have updated installation methods since 2018.

What are the main differences between zkSNARKs and zkSTARKs?

zkSNARKs require a trusted setup and offer smaller proof sizes, while zkSTARKs are trustless but have larger proofs. This tutorial focuses on zkSNARKs via ZoKrates, which simplifies the trusted setup but may not cover newer alternatives like zkSTARKs.

Is this tutorial still relevant for current Ethereum development?

It provides a foundational understanding, but tools like ZoKrates and Solidity versions have evolved since 2018. Check the official ZoKrates repository for updates, as some commands or best practices may have changed.

How can I reduce the gas costs of verifying zkSNARK proofs?

The tutorial notes high gas usage and suggests setting a high gas limit initially. For production, consider optimizing the circuit in ZoKrates or using layer-2 solutions, but this example doesn't cover advanced gas-saving techniques.

ZoKrates vs. circom: which is better for Ethereum zkSNARKs?

ZoKrates offers a higher-level language and integrated tooling, as shown in this tutorial, while circom provides more flexibility and is newer. ZoKrates is easier for beginners, but circom might be preferred for complex circuits or current projects.

What are the security implications of the trusted setup in zkSNARKs?

If toxic waste parameters are not properly destroyed, attackers could forge proofs. The tutorial assumes a trusted party handles this, but in practice, projects often use ceremonial setups or alternatives like zkSTARKs to mitigate risks.

A practical beginner's guide to creating, proving, and verifying zkSNARKs — Beginner's Guide to zkSNARKs

Open-Awesome

A practical beginner's guide to creating, proving, and verifying zkSNARKs — Beginner's Guide to zkSNARKs | Open Awesome

A practical beginner's guide to creating, proving, and verifying zkSNARKs

What is A practical beginner's guide to creating, proving, and verifying zkSNARKs?

Overview

Use Cases

Best For

Related Projects

Found a gem we're missing?

Not Ideal For

Pros & Cons

Pros

Cons

Frequently Asked Questions