A Bitcoin mining pool, called GHash and operated by an anonymous entity called CEX.io, just reached 51% of total network mining power today. Bitcoin is no longer decentralized. GHash can control Bitcoin transactions. Is This Really Armageddon? - See more at: http://hackingdistributed.com/p/2014/06/13/in-ghash-bitcoin-trusts/#sthash.l4kvvYnF.dpuf
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