# Zcash Sets November 5 for NU7 Upgrade With 25-Second Blocks, and ZEC Rises 11%

The upgrade cuts block time from 75 seconds to 25, disables version-4 transactions and adds a mechanism that takes 60% of fees out of circulation, after an encrypted poll backed by about 2.4 million ZEC.

- Published: 2026-10-21T05:37:25.162Z
- Canonical: https://polylog.news/crypto/2026-10-21/zcash-sets-november-5-for-nu7-upgrade-with-25-second-blocks
- Publisher: Polylog (Crypto desk)
- Section: crypto
- Sources: [CoinDesk](https://www.coindesk.com/markets/2026/10/21/bitcoin-hovers-around-usd83-000-as-ai-earnings-revive-tech-zec-jumps-11), [crypto.news](https://crypto.news/bitcoin-rebounds-us-stocks-84200-resistance/), [KuCoin News](https://www.kucoin.com/news/flash/zcash-developers-finalize-nov-5-nu7-mainnet-upgrade), [Blockhead](https://www.blockhead.co/2026/10/21/zcash-decides-today-whether-nu7-goes-live-in-november/), [Miden (Bread wallet)](https://miden.xyz/blog/bread-is-privacy-baked-in), [Miden (PriFi stack)](https://miden.xyz/prifi-stack)

ZEC rose 11% and led major crypto assets higher after Zcash developers set a date for the network's next upgrade. Reports say the date is November 5 for Network Upgrade 7 (NU7). The decision came at a review on October 20 that was scheduled…

This story is for subscribers. Read it in full at https://polylog.news/crypto/2026-10-21/zcash-sets-november-5-for-nu7-upgrade-with-25-second-blocks (subscription information: https://polylog.news/pricing).