Signs are increasing that jihadist groups are looking to capitalize on the rising value of bitcoin, as massive price increases for the cryptocurrency in recent months garner growing public attention. Cold, hard, untraceable cash remains their preferred medium for transmitting funds, but new online activity shows that some jihadist groups ...

The launch of Bitcoin futures trading is a good moment to consider the cyber and wider security issues raised by this and other cryptography-based currencies. It is worth making the distinction between the blockchain technology underpinning Bitcoin, and Bitcoin as a currency or investment. The second has generated heat and headlines, but it is ...