specification

Daira Hopwood edited this page Feb 17, 2018 · 23 revisions

Further Reading

Zcash

Zcash is an implementation of the Zerocash cryptographic protocol operating over a block chain provided by a fork of the Bitcoin source code. Sitting between the two is the Zcash protocol itself.

Zerocash

Zerocash is a peer-reviewed cryptographic protocol providing decentralized anonymous e-cash on top of a block chain. The details of this protocol, along with a proof of security, can be found at http://zerocash-project.org/paper.

Zcash Protocol

https://github.com/zcash/zips/blob/master/protocol/protocol.pdf

The details of how to integrate the Zerocash cryptographic scheme into a Bitcoin consensus protocol are crucial to overall usability, security, and performance. Zcash includes important security fixes and functionality enhancements relative to Zerocash, as well as a new proof of work.

Assigned Numbers

Protocol versions

The current version is 170002.

Mainnet Alert Codes

1004 - 2 Jul 2017 - Priority 4000 - 1.0.10 clients asked to upgrade, RPC put into safe mode - Message sent: Your client version 1.0.10 has degraded networking behavior. Please update to the most recent version of Zcash (1.0.10-1 or later).

1003 - 24 Apr 2017 - Priority 1500 - 1.0.3 - 1.0.8 clients asked to upgrade - Message sent: Your client is out of date and vulnerable to denial of service. Please update to the most recent version of Zcash (1.0.8-1 or later). More info at: https://z.cash/support/security/

1002 - 24 Apr 2017 - Priority 4000 - 1.0.0 - 1.0.2 clients asked to upgrade, RPC put into safe mode - Message sent: Your client is out of date and potentially vulnerable to blockchain disruption. Please update to the most recent version of Zcash and use -reindex to ensure integrity of your blockchain state. More info at: https://z.cash/support/security/

1001 - 8 Feb 2017 - Priority 1500 - 1.0.3 clients asked to upgrade - Message sent: Your client is out of date and potentially vulnerable to denial of service. Please update to the most recent version of Zcash (1.0.5). More info at: https://z.cash/support/security.html

1000 - 8 Feb 2017 - Priority 4000 - 1.0.0 - 1.0.2 clients asked to upgrade, RPC put into safe mode. - Message sent: Your client is out of date and potentially vulnerable to blockchain disruption. Update to the most recent version of Zcash (1.0.5) and use -reindex to ensure integrity of your local blockchain state. More info at: https://z.cash/support/security.html

Testnet Alert Codes

2 - 16 Mar 2017 - Priority 1500, 1.0.0 - 1.0.6 clients received a message: Action required: Testnet will upgrade at block 53127. Upgrade to Zcash 1.0.7 to avoid being left on a chain fork. Download: https://z.cash/download.html

1 - 23 Feb 2017 - Priority 1000, 1.0.0 - 1.0.6 clients received a test message, Message sent: This is just a test of the alert system on testnet. Zcash 1.0.7 will be released soon which upgrades testnet. Come chat at: https://chat.zcashcommunity.com

Bitcoin Developer Reference

https://bitcoin.org/en/developer-reference

Zcash is based on Bitcoin, so much of the underlying consensus protocol is the same.

If you can't find it here, try the FAQ, our Forum, or our Community Chat.

You can’t perform that action at this time.
You signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window. Reload to refresh your session.
Press h to open a hovercard with more details.