Governments around the world are embracing cryptocurrencies with varying degrees of sophistication and success.
Australia is the latest country calling for the regulation of crypto assets in the country. Experts say that a consensus is building but it should speed up to keep track with the industry.
Criminals usually demand ransom payments in cryptocurrency, so would a ban on these digital payment systems stem the flow of attacks?
Concerns about money laundering could be behind the move, but hitting coin exchanges is also one of the only ways to regulate digital currencies.
Countries including Turkey, Nigeria and Vietnam have restricted or banned cryptocurrencies. Will the US be next?