[IshKebab]

> making it improbable that a single entity can exceeded 50% of the total hash power

Not that improbable: http://www.coindesk.com/ghash-io-never-launch-51-attack/

[CyberDildonics]

Keep in mind that a 51% attack doesn't guarantee anything, it just increases the likelyhood that you can reorder transactions.

[jcoffland]

True, and the problem gets worse with less participants.