What is Zcash?

Zcash is HTTPS for money.

Initially based on Bitcoin's design, Zcash has been developed from the Zerocash protocol to offer a far higher standard of privacy and anonymity. It uses a sophisticated zero-knowledge proving scheme to preserve confidentiality and hide the connections between shielded transactions. More technical details are available in the Protocol Specification.

The zcashd Full Node

This repository hosts the zcashd software, a Zcash consensus node implementation. 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 several days.

The zcashd code is derived from a source fork of Bitcoin Core. The code was forked initially from Bitcoin Core v0.11.2, and the two codebases have diverged substantially.

:lock: Security Warnings

See important security warnings on the Security Information page.

Zcash is experimental and a work in progress. Use it at your own risk.

:ledger: Deprecation Policy

This release is considered deprecated 16 weeks after the release day. There is an automatic deprecation shutdown feature which will halt the node sometime after this 16-week period. The automatic feature is based on block height.

Other Zcash Implementations

The Zebra project offers a different Zcash consensus node implementation, written largely from the ground up.

Getting Started

Please see our user guide for instructions on joining the main Zcash network.

Need Help?

  • :blue_book: See the documentation at the ReadTheDocs for help and more information.
  • :incoming_envelope: Ask for help on the Zcash forum.
  • :speech_balloon: Join our community on Discord.
  • 🧑‍🎓 Learn at ZecHub.

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


Build Zcash along with most dependencies from source by running the following command:

./zcutil/build.sh -j$(nproc)

Currently, Zcash is only officially supported on Debian and Ubuntu. See the Debian / Ubuntu build for detailed instructions.

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