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Zcash 1.0.0-rc3

What is Zcash?

Zcash is an implementation of the "Zerocash" protocol. Based on Bitcoin's code, it intends to offer a far higher standard of privacy and anonymity through a sophisticated zero-knowledge proving scheme that preserves confidentiality of transaction metadata. Technical details are available in our Protocol Specification.

This software is the Zcash client. It downloads and stores the entire history of Zcash transactions; depending on the speed of your computer and network connection, the synchronization process could take a day or more once the block chain has reached a significant size.

Security Warnings

See important security warnings in doc/security-warnings.md.

Zcash is unfinished and highly experimental. Use at your own risk.

Where do I begin?

We have a guide for joining the public testnet: https://github.com/zcash/zcash/wiki/Beta-Guide

Need Help?

  • See the documentation at the Zcash Wiki for help and more information.
  • Ask for help on the Zcash forum.

Participation in the Zcash project is subject to a Code of Conduct.


Build Zcash along with most dependencies from source by running ./zcutil/build.sh. Currently only Linux is supported.


For license information see the file COPYING.