New Release 5.8.0
zcashd 5.8.0 is a maintenance release that updates dependencies and sets a new end-of-service height to ensure continuity of services.
A look back: NU5 and network sandblasting
This post details ECC’s motivations, challenges, and accomplishments with regard to zcashd Network Upgrade 5 (NU5) and the sandblasting attack.
New Release 5.6.0
Release 5.6.0 introduces the functionality necessary for light wallets to access spendable funds without fully scanning the blockchain. This is […]
New Release 5.5.0
Release 5.5.0 introduces a number of bug fixes and changes to the underlying libraries that support Zcash. Much of this work lays the foundation for the fund availability features coming with the next release.
Update: Addressing Zcash wallet performance issues
Electric Coin Co. (ECC) has been working since June to resolve Zcash wallet performance issues that are affecting users of third-party apps Edge, Nighthawk, and Unstoppable.* All three of these mobile wallets utilize the ECC SDK.Our engineers have made progress, however, work remains — including further updates to zcashd, lightwalletd, the ECC wallet SDKs, and the ECC prototype wallet — to fully restore good user experience in the impacted apps.
NU5 activates on mainnet, eliminating trusted setup and launching a new era for Zcash
NU5, the first major upgrade since November 2020, includes the launch of the Orchard shielded payment protocol, utilizing the Halo proving system to remove reliance on complex setup ceremonies.
New Release 5.0.0
The 5.0.0 release supports NU5 activation on mainnet, which will occur at a block height of 1687104 (May 31st), following the targeted EOS halt of our 4.6.0-2 and 4.7.0 releases on May 16th. Release binaries will be available later today and instructions on how to install can be found on our download site.
New Release 4.7.0
Release 4.7.0 marks a major milestone on the path to NU5.
New Release 4.6.0-2
4.6.0-2 is primarily a bugfix release that also bumps the End-of-Support height to May 16th. It backports bugfixes from v4.7.0-rc1.
NU5 activation and Halo Arc release delayed for remediation of consensus bug in testnet
During the course of testing NU5, a consensus bug emerged that caused the testnet chain to fork. The ECC Core […]
ECC Engineering: Year in Review
We had many successes in 2021 across all of our engineering-related teams including Core, Mobile, and DevSecOps, a team comprising what was previously the separate DevInfra and Security teams. These successes included the regular cadence of releases as well as breakthrough cryptographic research, developments to move the shielded wallet ecosystem forward, operational enhancements and advancements, and a continued demonstration of our commitment to security best practices, ensuring safe and secure releases and network upgrades.
New Release 4.6.0-1
TL;DR: The 4.5.0, 4.5.1, and 4.5.1-1 zcashd nodes will reach End of Service on or about January 10th, 2022. Prior to that time, miners must upgrade to 4.6.0-1 and all other testnet and mainnet nodes should upgrade to either 4.6.0 or 4.6.0-1.