A controversial plan to fix bitcoin’s network congestion suffered a setback after attackers used a newly-discovered bug to crash the software. Bitcoin Unlimited, which had been attracting support from the digital currency’s biggest miners, was attacked after developers brought the bug to light. The numbers of “nodes” hosting Unlimited fell to about 300 from 800 following the attacks, the lowest level since October, according to website coin.dance which tracks industry data. Read more: www.bloomberg.com
