ΤΙ ΕΙΝΑΙ ΤΟ BITCOIN

http://sanakirja.kronman.fi/index.php?title=10_No-Fuss_Ways_to_Figuring_Out_Your_BITCOIN

Bitcoin is a digital currency which runs devoid of any main control or the oversight of banks or federal governments. Instead it counts on peer-to-peer software program and also cryptography.