ΤΙ ΕΙΝΑΙ ΤΟ BITCOIN

https://wiki-square.win/index.php?title=11_Ways_to_Completely_Ruin_Your_Αρχικη_τιμη_bitcoin

Bitcoin is an electronic currency which runs without any type of main control or the oversight of financial institutions or federal governments. Rather it counts on peer-to-peer software application and cryptography.