Key Takeaways
- NU7 has reduced Zcash’s public-testnet block target from 75 seconds to 25 seconds.
- The live run gives wallets, exchanges, miners and node operators time to check compatibility before mainnet.
- Faster blocks shorten the wait for a first confirmation but do not make settlement instant.
- ZEC issuance, the halving schedule and the 21 million supply cap remain unchanged.
Faster blocks only help if the services around them keep up
The October 5 activation puts NU7’s new consensus rules onto Zcash’s shared public testnet. Zcash Foundation’s Zebra release had set the change at block height 4,465,026, expected around October 6. The network reached that height early, while the proposed November 5 mainnet date still depends on the results of the live run.
Producing three times as many blocks affects more than the countdown to a payment confirmation. Full nodes must validate them, m...


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