In June, behemoth bitcoin-mining pool GHash.io briefly gained more than half of the total network hashrate, a move that caused many to question just how secure bitcoin’s much-touted decentralized network really was. The situation was a wake-up call for many, as it meant that the long-hypothesized “51% attack” wasn’t as implausible as many experts had […]

For those that view bitcoin as a purely speculative phenomenon, price is everything. Sure, a groundbreaking technology that allows value to be exchanged instantly, anywhere in the world, very nearly for free and without the need for any middlemen or gate keepers is fine, but you generally can’t pay rent with good ideas. Speculators simply […]

Over the weekend, bitcoin mega-pool GHash.io controlled more than half of the network’s hashing power. Given that bitcoin was designed to be decentralized, with no particular party having any significant authority over the network, this was a deeply troubling development. Even worse, the GHash situation was a clear demonstration that bitcoin was unambiguously vulnerable to […]