Bitmain has unveiled a new miner for the privacy-oriented crypto zcash, which it says, has three times more hashing power than its predecessor.
Bitmain has published a firmware update for its Antminer S9, using controversial "AsicBoost" code to give an efficiency hike when mining bitcoin.
Mining hardware maker Bitmain has claimed its new bitcoin ASIC will be the most power efficient chip available to the public.
A number of bitcoin mining pools around the world have been hit by a recent string of DDOS attacks.
