Hacker attacks on Bitcoin exchanges and a Trojan that sent Bitcoins from infected computers to the attacker’s account provoke questions about the general security of Bitcoin and thus also about its security against counterfeiting. Bitcoin is not real – and above all not a consistent…

Bitcoins are a virtual and secure means of internet payment. The money is used exclusively for digital transactions, there are no coins or bills. Various websites already accept payments in Bitcoin. The system is not controlled by any bank. Mathematical processes are responsible for the…