[Cryptography] Zcash

[James A. Donald]

On 2017-09-26 09:29, Tom Mitchell wrote:
>
> A google tech talk on YouTube.
> https://youtu.be/uEdx-pqJg4I
> I will describe the Zerocash protocol, which uses zero knowledge
 > proofs to achieve privacy-preserving payments in a Bitcoin-like
 > system. This protocol was recently deployed in the wild, as part
 > of the cryptocurrency Zcash.

I don't find this talk very informative.  Does not explain in sufficient 
detail that I could implement it, does not tell me how much extra 
storage and processing power is required in peers that store and check 
the entire blockchain.

Is there a white paper or web page that explains the underlying 
technology in ZCash, how it works, how it scales, what it costs?

Sounds like standard Chaumian cash embedded in the blockchain, and 
Chaumian cash is storage heavy and requires excessive levels of trust.


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