An estimated £3-4 billion is being laundered via cryptocurrencies in Europe every year, the director of Europol has told the BBC.
It comes as the Shadow Treasury Minister, Alison McGovern, says much speedier regulation is needed.
But what are cryptocurrencies? Spencer Kelly explains all.

Please subscribe HERE http://bit.ly/1rbfUog

World In Pictures    • WORLD IN PICTURES  
Big Hitters    • MUST SEE VIDEOS  
Just Good News    • Just good news