2 <img align="right" width="120" height="80" src="doc/imgs/logo.png">
8 [Zcash](https://z.cash/) is an implementation of the "Zerocash" protocol.
9 Based on Bitcoin's code, it intends to offer a far higher standard of privacy
10 through a sophisticated zero-knowledge proving scheme that preserves
11 confidentiality of transaction metadata. Technical details are available
12 in our [Protocol Specification](https://github.com/zcash/zips/raw/master/protocol/protocol.pdf).
14 This software is the Zcash client. It downloads and stores the entire history
15 of Zcash transactions; depending on the speed of your computer and network
16 connection, the synchronization process could take a day or more once the
17 blockchain has reached a significant size.
20 <img src="doc/imgs/zcashd_screen.gif" height="500">
23 #### :lock: Security Warnings
25 See important security warnings on the
26 [Security Information page](https://z.cash/support/security/).
28 **Zcash is experimental and a work-in-progress.** Use at your own risk.
30 #### :ledger: Deprecation Policy
32 This release is considered deprecated 16 weeks after the release day. There
33 is an automatic deprecation shutdown feature which will halt the node some
34 time after this 16 week time period. The automatic feature is based on block
39 Please see our [user guide](https://zcash.readthedocs.io/en/latest/rtd_pages/rtd_docs/user_guide.html) for joining the main Zcash network.
43 * :blue_book: See the documentation at the [ReadtheDocs](https://zcash.readthedocs.io)
44 for help and more information.
45 * :incoming_envelope: Ask for help on the [Zcash](https://forum.z.cash/) forum.
46 * :mag: Chat with our support community on [Rocket.Chat](https://chat.zcashcommunity.com/channel/user-support)
48 Participation in the Zcash project is subject to a
49 [Code of Conduct](code_of_conduct.md).
53 Build Zcash along with most dependencies from source by running:
56 ./zcutil/build.sh -j$(nproc)
59 Currently only Linux is officially supported.
64 For license information see the file [COPYING](COPYING).