Source:cnbc.com
At the "ask me anything session on reddit" with billgates, the Microsoft co-founder said that main the feature of cryptocurrencies is the anonymity they provide to buyers, this he said can be very harmful.
Saying also that the government could easily find money laundering and tax evasion and terrorist funding. This he also said was a good thing. He also wrote that cryptocurrencies are used for buying fentanyl and other drugs saying it is a rare technology that has caused deaths in a fairly direct way.
Gates also warned that the waves off speculation surrounding cryptocurrencies is "super risky for those who go long"