<p>It's basically a zero knowledge proof that is easy to verify. The parameters are given on the zcash site. you can check it here<br>
<a href="https://z.cash/blog/generating-zcash-parameters.html" rel="nofollow">https://z.cash/blog/generating-zcash-parameters.html</a></p>

CC BY-SA 3.0
2016-10-25T08:57:26.803Z
Welcome to Bitcoin Stack Exchange! Whilst this may theoretically answer the question, [it would be preferable](//meta.stackoverflow.com/q/8259) to include the essential parts of the answer here, and provide the link for reference.
q9f
CC BY-SA 3.0
2016-10-25T07:19:23.723Z
2016-10-25T07:19:23.723Z
tbolt
<p>When installing the zcash client for the first time it downlods a bulk of around 900 MiB in zkSNARK parameters. I am wondering: why and what are they exactly used for? Is this a security feature? How to verify the parameters?</p>

<p>What are zkSNARK parameters and how to verify them?</p>

<verification><zcash><zero-knowledge>
What are zkSNARK parameters and how to verify them?
q9f
# What are zkSNARK parameters and how to verify them?

(Asked by: username_0 on 2016-10-21)

When installing the zcash client for the first time it downlods a bulk of around 900 MiB in zkSNARK parameters. I am wondering: why and what are they exactly used for? Is this a security feature? How to verify the parameters?

What are zkSNARK parameters and how to verify them?

**Tags:** verification, zcash, zero-knowledge


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## 1 answers

### Answer by username_1 on 2016-10-25. Score: 1

It's basically a zero knowledge proof that is easy to verify. The parameters are given on the zcash site. you can check it here  
<https://z.cash/blog/generating-zcash-parameters.html>

> **Comments:**
> **username_0**: Welcome to Bitcoin Stack Exchange! Whilst this may theoretically answer the question, [it would be preferable](//meta.stackoverflow.com/q/8259) to include the essential parts of the answer here, and provide the link for reference.  

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