ΤΙ ΕΙΝΑΙ ΤΟ BITCOIN

https://rapid-wiki.win/index.php?title=10_Fundamentals_About_Τα_παντα_για_το_bitcoin_You_Didn't_Learn_in_School_27182

Bitcoin is a digital currency which runs without any central control or the oversight of banks or federal governments. Rather it counts on peer-to-peer software program and cryptography.