Bitcoin mining centralised by 2014, when GHash hit 51% and promptly spit into smaller pools so as not to frighten the suckers. In 2015, the guys controlling 80%

Bitcoin mining centralised by 2014, when GHash hit 51% and promptly spit into smaller pools so as not to frighten the suckers. In 2015, the guys controlling 80% of mining pools stood on the same stage together. It's important to distinguish "decentralised" as in "can't sue me bro" from "decentralised" as in actual operational terms. Bitcoin contains tremendous operational centralisation at all levels.