COINDESK · 2026-10-05 04:41 UTC

Zcash's 25-second blocks go live on public testnet ahead of schedule

Zcash activated NU7 upgrade on public testnet, reducing block time from 75 seconds to 25 seconds ahead of planned November mainnet rollout. Upgrade changes fee distribution (40% to miners, 60% to reserve) and disables Sprout private-payment system transactions. Both major node programs (Zakura and Zebra) now support the trial; developers will review results by Oct. 20 for mainnet activation decision.

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