Zcash is opening a community-wide vote on August 25 to determine the scope of its next major protocol upgrade, NU7, according to an announcement on the Zcash Community Forum. The vote will run for approximately 18 days and allow ZEC holders in the Ironwood shielded pool to cast ballots anonymously, with voting power determined by a snapshot taken August 24.
The mechanism centers on a single coinholder vote covering five distinct protocol questions: changes to ZEC issuance, fee structures, deprecation of the Sprout shielded pool, block time adjustments, and the timing of feature rollouts. Zcash holders who maintain coins in the Ironwood pool during the snapshot window will be eligible to participate. The Ironwood pool currently holds over 1 billion ZEC according to community data, though only active holders at snapshot time will gain voting eligibility.

Zcash has used coinholder votes since 2021 to make major protocol decisions. The first such vote in May 2021 decided whether to halt ZEC issuance after four years; a second vote in October 2022 governed the Orchard shielded pool upgrade. Each vote has combined on-chain participation with off-chain community polling to surface preferences before the formal ballot.

NU7 represents Zcash's incremental upgrade path after the Orchard pool launch in 2022. The vote structure this time adds optional off-chain panels and caucuses alongside the anonymous shielded pool ballot, allowing community members without significant ZEC holdings to weigh in on technical direction. Voting weight in the formal coinholder mechanism remains tied strictly to ZEC ownership at snapshot.
The Zcash Foundation and Electric Coin Company, the project's major contributors, have framed NU7 as addressing operational questions deferred since Orchard rather than introducing novel cryptographic features. The five topics under vote touch ongoing maintenance and governance rather than a single architectural shift, which the foundation indicated distinguishes NU7 from prior major upgrades.
A coinholder vote covering this many distinct questions is broader in scope than the 2021 and 2022 polls, each of which addressed one or two primary decisions. Turnout and engagement levels in the August vote will partly determine how the Zcash developer ecosystem approaches future upgrade sequencing.
The vote period ends roughly 18 days after the August 25 open, at which point results will determine protocol parameters for the NU7 rollout. The number to watch is whether voter turnout in the Ironwood pool exceeds the 12 to 15 percent participation rates seen in prior Zcash coinholder votes.