The Ethereum Classic blockchain suffered a 51% attack Saturday evening, its third such attack this month, noticed by mining company Bitfly, which also spotted the first attack on Aug. 1. • The attack reorganized over 7,000 blocks, or two days' worth of mining, according to a tweet shared by Bitfly. The first two attacks reorganized 3,693 and 4,000 blocks respectively. • Notably, a leading organization behind the Ethereum Classic network, ETC Labs, announced its strategy to protect the network from additional attacks last week, including defensive mining that is intended to stabilize the network's plummeting hashrate ... (full story)