Question 1

Is ZoKrates ready for production use?

Accepted Answer

No, the README explicitly states it's a proof-of-concept implementation not tested for production, so it's best suited for experimentation and development environments rather than live deployments.

Question 2

How to create a verifier contract with ZoKrates?

Accepted Answer

After writing your circuit in the ZoKrates DSL, use the CLI commands 'zokrates compile' to compile, 'zokrates setup' for the trusted setup, and 'zokrates export-verifier' to generate a Solidity contract that can be deployed on Ethereum for proof verification.

Question 3

ZoKrates vs Circom for Ethereum zkSNARKs?

Accepted Answer

ZoKrates uses a higher-level, Python-like language and integrates tightly with Ethereum tooling like Remix, making it easier for beginners. Circom offers a more circuit-focused language with potentially better optimization control, but requires more cryptographic knowledge.

Question 4

Can ZoKrates be used with layer 2 solutions like Optimism?

Accepted Answer

Indirectly, since ZoKrates generates Solidity verifiers, they can be deployed on Ethereum-compatible layer 2s, but native support or optimizations for specific rollups are limited and may require custom adjustments.

Question 5

What are the performance trade-offs with ZoKrates proofs?

Accepted Answer

Proof generation is computationally expensive and time-consuming, especially for complex circuits, which can impact application scalability. Setup phases also require significant resources, similar to other zkSNARK implementations.

Question 6

How to debug ZoKrates circuits in development?

Accepted Answer

Use the Remix plugin for interactive testing and error messages, or rely on the CLI's verbose output. However, debugging tools are basic compared to mainstream programming environments, often requiring manual inspection of intermediate files.

Question 7

Are there any security audits for ZoKrates?

Accepted Answer

Given its proof-of-concept status, there are no widely known independent security audits, so developers should exercise caution and consider it for learning or prototyping rather than sensitive applications.

ZoKrates

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