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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?

q9f
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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

tbolt
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  • 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 Oct 25 '16 at 08:57