New bank report takes aim at ‘Proof of Work’
In a new working paper from the Bank for International Settlements (BIS), principal economist Raphael Auer takes aim at bitcoin’s backbone, claiming that Proof-of-Work is a fatally flawed system.
ETC 51 % attack – what happened and how it was stopped
As a top 20 crypto asset, Ethereum Classic isn’t thought of as an easy target for a 51 percent attack, and yet in early January, its blockchain was successfully hijacked for several days. So what happened, how was it stopped, and how vulnerable are other cryptocurrencies to a similar breach?
Attacker pledges to make 51 percent attacks a spectator sport
After attacks on Verge and Bitcoin Gold, the vulnerability of many altcoins to 51 percent attacks has been highlighted again by an anonymous Tweeter who has revealed plans to live stream attacks of low hashrate coins
More 51% blockchain attacks expected
In the past two months, several cryptocurrencies have fallen victim to so-called 51 percent attacks, highlighting the fact that not all blockchain networks are as secure and 'unhackable' as they claim to be
