Technology

Zcash 25-Second Block Times Now Live on Public Testnet Ahead of Schedule

October 5, 2026, 4:41 AM UTC (3 hours ago) · 1 source · Summarized by CryptoBipto

Zcash has activated 25-second block times on its public testnet, arriving ahead of the originally planned timeline. The upgrade significantly reduces the time between blocks compared to the current mainnet configuration. This testnet milestone is a step toward potentially deploying the faster block times on the Zcash mainnet.

WHY IT MATTERS

Think of a blockchain like a ledger where new pages are added at regular intervals. Each page (called a block) records recent transactions. The time between adding new pages is the block time. Zcash is testing a change that would add new pages roughly every 25 seconds instead of every 75 seconds. For users, this could mean faster confirmation of transactions, similar to how a shorter wait at a checkout line improves the shopping experience. This is currently only being tested on a testnet, which is like a practice version of the network where no real money is at stake, so nothing has changed yet for people actually using Zcash.

Zcash, a privacy-focused cryptocurrency, has reached a development milestone by launching 25-second block times on its public testnet. Block time refers to how long it takes for the network to produce a new block of transactions.

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SOURCES

coindesk.com

ZECZcashBlock TimeProtocol UpgradeTestnet

Learn the concepts behind this

Clear explanations of the subjects this article touches, with every term defined.

How does a blockchain transaction actually work?Blocks, confirmations, the mempool, gas limits and finality explained in simple terms — the words your exchange uses when a transfer is taking longer than expected.