ΤΙ ΕΙΝΑΙ ΤΟ BITCOIN
http://elliotbmxx140.fotosdefrases.com/14-savvy-ways-to-spend-leftover-e-poreia-tou-bitcoin-budget
Bitcoin is an electronic money which runs free of any type of central control or the oversight of banks or federal governments. Instead it relies upon peer-to-peer software program and cryptography.