[Cryptography] ghash.io hits 50% of the Bitcoin compute power

[Alan Braggins]

On 13/06/14 14:51, Perry E. Metzger wrote:
> The security of Bitcoin depends on no one group burning more than half
> the compute cycles. As of today, of course, the graph looks like
> this.
>
> https://imgur.com/PPVr0Wv

Though a smaller group than 1/2 could take advantage of weaknesses,
in a sense: http://arxiv.org/abs/1311.0243