Zcash’s NU7 upgrade is centered on reducing the time between blocks from 75 seconds to 25 seconds, a change that would cut the wait for three transaction confirmations from nearly four minutes to about 75 seconds. The upgrade is already running on the Zcash testnet and is awaiting final integration into node software. NU7 also includes two other changes. First, 60% of the fees collected in each block will be removed from circulation, with those tokens set to start returning to miners around February 2031. Second, Zcash’s original Sprout privacy system will be shut down completely. Any funds still held in Sprout must be moved out before the upgrade is activated, or they will become unusable. The update combines faster confirmation times with fee-handling changes and the retirement of an older privacy system.
According to ChainCatcher, the core feature of Zcash’s NU7 upgrade is a reduction in the time between blocks from 75 seconds to 25 seconds.
That change would cut the time needed to wait for three transaction confirmations from nearly four minutes to about 75 seconds. The upgrade is already running on the Zcash testnet and is now awaiting final integration into node software.
Two additional changes in NU7
Beyond the speed increase, NU7 includes two other adjustments.
- Sixty percent of the fees collected in each block will be removed from circulation. Those tokens are set to start being returned to miners around February 2031.
- Zcash’s original Sprout privacy system will be shut down completely. Any funds still remaining in that system must be moved before the upgrade is activated, or they will no longer be usable.
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