Zcash NU7 Upgrade at Block 3,543,405 Will Block About 12,226 ZEC in Sprout Pool

Zcash has confirmed NU7 will activate at block height 3,543,405. The upgrade removes version 4 transactions and closes the only route out of the Sprout pool. About 12,226 ZEC, valued near $16 million, will remain locked. Target block time will fall from 75 seconds to 25 seconds.