Zcash activates NU7 network upgrade on public testnet
Image: Crypto BriefingZcash has activated its NU7 network upgrade on the public testnet at block height 4,465,026. The upgrade cuts target block times from 75 to 25 seconds. It introduces changes to transaction fee distribution, with 60% of fees directed to network sustainability via the Network Sustainability Mechanism. The upgrade also retires the Sprout shielded transaction format. Both major Zcash node programs support the testnet deployment, and a mainnet decision is scheduled for October 20, 2026, with a target activation date of November 5, 2026.
Key points
- Zcash activated its NU7 network upgrade on the public testnet
- NU7 introduces changes to transaction fee distribution
- The upgrade retires the Sprout shielded transaction format
- Both major Zcash node programs support the NU7 testnet deployment
Why it matters
The upgrade reduces block times to shorten transaction processing periods for Zcash users. The fee-recycling mechanism and Sprout shielded pool retirement adjust core network operations and privacy functionality for network participants.
What's unclear
No mainnet activation block height has been designated for the NU7 upgrade
Price context · ZEC
At publication
$1,327.40
Now
$1,229.51
Change since
−7.37%
7 days
Sources · 4 publishers
Coinpedia
Tier 3
Zcash Activates NU7 Upgrade on Public Testnet
Unchained
Tier 1
Zcash Activates NU7 on Public Testnet, Opening a Trial Run for 25-Second Blocks
Cryptonews.com
Tier 2
Zcash NU7 Upgrade: ZEC Targets 25-Second Blocks In Testnet
Coverage timeline
- First reported by Crypto Briefing
- Also reported by Coinpedia
- CryptoVideos brief published
- 2 more publishers added to sources
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