ECC:

releases

News and notes about Electric Coin Company and its work on Zcash

As the first implementation of Halo within Zcash, this would serve as a catalyst for Zcash user confidence and scalability, while making the protocol more attractive, faster and less expensive for others to build on.

The Halo 2 zero-knowledge proving system, invented and developed at Electric Coin Co. (ECC), eliminates the trusted setup, reducing the attack surface of the Zcash protocol and improving assurance about ZEC supply integrity.

New release 4.2.0 removes the zcashd dependency upon libsodium for ed25519 signature checks and instead uses the Rust implementation in ed25519-zebra, which has been active for signature verification since the Canopy upgrade.

This is a hotfix release that addresses a performance regression in v4.1.0. It is recommended that either v4.0.0 or this […]

Migration to Clang and static libc++ zcashd now builds its C++ (and C) dependencies entirely with a pinned version of […]

Network Upgrade 4: Canopy The 4.0.0 release supports the Canopy activation on mainnet, which will occur at a block height […]

Heartwood activation on mainnet This release supports the Heartwood activation on mainnet, which will occur at a block height of […]

Electric Coin Co. has released zcashd 2.1.2-3, a hotfix that addresses issues identified in the Heartwood activation on testnet. This […]

Heartwood testnet activation This release supports the activation of Heartwood on testnet, with an activation height of 903800, slated to […]

New soft fork On December 31, 2019, Michael Davidson disclosed to us a vulnerability that could be used to cause […]

Blossom network upgrade The mainnet activation of the Blossom network upgrade is supported by this release, with an activation height […]

On Tuesday September 24th we released version 2.0.7-3 of Zcashd to address two security issues. Both were discovered and reported […]