Zcash NU7 Testnet Upgrade Activates 25-Second Block Targets
What happened
Zcash's NU7 network upgrade activated on the public testnet on October 4, 2026, introducing 25-second block intervals and a new fee recycling system.
The Context
- Faster Transactions: The upgrade reduces block confirmation times from 75 seconds to 25 seconds, improving user experience.
- Community Support: A governance poll showed 99.9% approval for the new block interval, reflecting strong community engagement.
- Sustainability Focus: The Network Sustainability Mechanism will redirect transaction fees into future block rewards, promoting long-term network health.
The Number
support for 25-second blocks in a governance poll of nearly 2.4 million ZEC highlights the community's commitment to enhancing Zcash's functionality.
Takeaway
Developers will assess testnet performance metrics on October 20, 2026, to determine the mainnet activation, potentially setting a new standard for transaction speeds.
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