The team behind ETC has sought to pour cold water on Coinbase’s claims of double-spending and a 51% attack, but it’s not backing down. So what’s the truth? Yesterday, the security team at the Coinbase exchange took to its Medium blog in order to allege that the Ethereum Classic blockchain was under a 51% attack. […]The post Is Ethereum Classic being 51% attacked or not? appeared first on CryptoNewsReview.