On the 9th, ValarDragon (Dev Ojha) and Evan Forbes, involved in the development of the Zcash full node 'Zakura', proposed reducing the block generation interval of Zcash (ZEC) from 25 seconds to 20 seconds.
On the 6th Japan time, Zcash executed the 'NU7' upgrade on its mainnet, successfully reducing the block generation interval from 75 seconds to 25 seconds...
