Zcash Developers Fast-Track Another Block Speed Upgrade Just Days After Major Network Overhaul

Pushing Network Speed to Its Limits

The Zcash development team has moved swiftly to propose a further reduction in the blockchain’s block interval. Developers ValarDragon and Evan Forbes submitted a draft improvement proposal through the Zcash community forum, targeting a reduction from the current 25-second interval to just 20 seconds. The proposal, submitted as a Zcash Improvement Proposal (ZIP), would be considered for integration into the upcoming NU7.1 network upgrade pending community voting.

The 5-second reduction may seem modest, but in the context of blockchain operations, it represents a meaningful step toward near-instantaneous settlement. By shortening the expected time to initial transaction confirmation, the network would become more practical for real-world use cases including point-of-sale transactions, cryptocurrency exchange deposits, and cross-chain asset transfers.

Building on Fresh Momentum

The proposal arrives on the heels of a significant milestone: Zcash’s NU7 upgrade went live just days earlier, already introducing a dramatic acceleration from 75 seconds to 25 seconds per block. That upgrade also brought the Network Sustainability Mechanism, which redirects a portion of transaction fees back into future mining rewards while maintaining the network’s 21 million ZEC supply cap.

Rather than resting after this major milestone, the development community is doubling down on performance optimization. Notably, the developers have clarified that the block speed increase would not expand the total volume of private transactions the network can process daily—the focus remains purely on settlement velocity rather than throughput expansion.

Preserving Tokenomics While Improving Experience

A critical detail embedded in the proposal is that Zcash’s fixed monetary issuance schedule would remain intact despite more frequent block production. This elegant design preserves the predictability of the network’s economics while delivering user-facing speed improvements, addressing a common concern when networks accelerate block times.

For merchants and traders who depend on rapid finality, this trajectory represents a meaningful shift in what Zcash can deliver. As the cryptoverse matinures toward practical payment and settlement applications, networks that can combine speed with strong privacy guarantees position themselves as credible infrastructure layers. The rapid succession of upgrades also signals active, responsive governance—a signal often watched by institutional participants evaluating blockchain reliability.

Source: Zcash Developers, via Cointelegraph. Not financial advice.