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最近几天,ETC被51%攻击双花的事闹得沸沸扬扬。
这是否表明那些非主流POW币,尤其是项目方的算力不占主导地位,而且很容易被租赁算力挖矿的币,非常危险。
有没有什么方法可以预防此类事件发生?
ps:怎么评价ETC的这次51%攻击双花事件造成的影响?