[Zcash NU7 Upgrade Activated on Mainnet] According to Foresight News, Zcash tweeted that the NU7 upgrade has been activated on the mainnet. The upgrade includes reducing block time from 75 seconds to 25 seconds; 60% of the transaction fees collected per block will no longer be paid to miners immediately, but will be temporarily removed from circulation and will begin to be paid to miners again around February 2031; Zcash's original privacy system, Sprout, will be completely shut down.