We've all heard the stories of cryptocurrencies being used on the dark web for some nefarious purpose. But it seems like this use of crypto may be coming to an end.

Care to guess how many cryptocurrencies there are?If you include non-native tokens (typically dubbed “ICOs”), there are over 1,600 in existence worth around $370 billion in market cap.And, despite lots more competition than ever before, the king of the crypto hill in terms of market cap and popularity is still Bitcoin.