bitcoin για αρχάριους

http://psicolinguistica.letras.ufmg.br/wiki/index.php/The_Biggest_Problem_With_Τα_παντα_για_το_bitcoin,_And_How_You_Can_Fix_It

Bitcoin is a digital currency which runs free of any type of main control or the oversight of financial institutions or federal governments. Instead it relies on peer-to-peer software and cryptography.