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. This note describes what we should do about it.
Emin Gün Sirer
Hacker and professor at Cornell, with interests that span distributed
systems, OSes and networking. Current projects include HyperDex, OpenReplica
and the Nexus OS. more...