Zcash NU7 Upgrade Activates: 60% of Fees Now Fund Future Block Rewards

Decrypt · 2026-11-06
Zcash NU7 Upgrade Activates: 60% of Fees Now Fund Future Block Rewards

The Zcash network has activated its NU7 upgrade, introducing a Network Sustainability Mechanism that will recycle 60% of transaction fees to fund future block rewards. This change is designed to address the eventual depletion of the current block subsidy, which is set to phase out by 2031. Under the new mechanism, ZEC removed from circulation will be reissued within the original 21 million supply cap, ensuring miners continue to receive incentives without inflating the total supply beyond its hard limit. The upgrade comes as the Zcash community engages in ongoing debates about the structure and longevity of its development fund, which has historically been a contentious topic. By redirecting a significant portion of fees, the network aims to create a self-sustaining economic model that reduces reliance on external funding or further changes to the monetary policy. This move is significant for ZEC holders and miners alike, as it provides a clearer long-term roadmap for network security and maintenance. With the NU7 upgrade now live, Zcash positions itself as a privacy-focused cryptocurrency with a more predictable and decentralized funding mechanism, potentially attracting renewed interest from investors and developers. The success of this sustainability model could serve as a template for other proof-of-work networks facing similar subsidy reduction challenges.