Bill Gates has angered the cryptocurrency world, and to be fair - he deserves to be scolded a bit for making such an ignorant statement.In his Reddit AMA (a session where people 'Ask me anything') when asked about cryptocurrencies he said:It's that last sentence that really has people angry, and it seems to be a recurring theme among the older generation - blame cryptocurrencies for things that have been happening long before the existence of cryptocurrencies.One twitter user '3ideRaven' had my favorite response...Oddly enough, until now Bill Gates seemed pretty positive about cryptocurrencies. In 2014 he made headlines when he told Bloomberg:It's disappointing to see someone who once seemed to get it, make a complete 180.