τι ειναι το bitcoin και πως λειτουργει

https://fast-wiki.win/index.php?title=How_to_Outsmart_Your_Peers_on_Αρχικη_τιμη_bitcoin_41857

Bitcoin is an electronic money which runs without any type of central control or the oversight of financial institutions or governments. Instead it counts on peer-to-peer software application and also cryptography.