Ethereum closes a major security flaw with its energy-saving update

Ethereum, the world’s second-largest cryptocurrency, made a giant change to the way in which it really works final 12 months, decreasing its vitality use. Safety specialists say the replace additionally unwittingly circumvents a critical vulnerability that would enable hackers to steal funds. Nevertheless, at the very least one cryptocurrency that “forked” by copying its code from Ethereum continues to be in danger.

Ethereum used to depend on “proof of labor” to safe its community, identical to bitcoin nonetheless does, that is the place computer systems do a variety of computations to “dig” new forex and…