Zcash developers have reported the launch of Overwinter, that is required for the coming large update – Sapling. Zcash is a cryptocurrency aimed at boosted privacy.
The Overwinter upgrade was launched on Wednesday at the block 347,500. First of all, the new software gives an opportunity for another essential update for Zcash – Sapling, which is expected to be activated this September.
The current upgrade includes control over the versions, protection from repeated transactions for future updates, general improvement of transparent transactions performance as well as other functions.
Notably, Overwinter will become "the first Zcash implementation of a two-tiered governance model for protocol upgrades".
As the company stated in its blog:
"The first tier is an opt-in upgrade. This means that all nodes on the system have the option to upgrade their node with the latest protocol rules...The second tier is advocacy and education. Node operations should be able to make a well-informed decision, within a reasonable amount of time."
The exact number of nods that supported the Overwinter is unknown so far. Still, the developer told the media that the network supported the updated unanimously. According to the available data, 12 exchanges along with different mining pools support the Overwinter.
In addition, Zcash team has mentioned the path of further expansion, which covers integration into different platforms, wallets, boosting of privacy, further development of the protocol, including improvements of the scalability without hurting decentralization, business expansion and marketing as well as Sapling upgrade and countermeasures against attacks 51%.