τι ειναι το bitcoin και πως λειτουργει

https://mag-wiki.win/index.php?title=7_Answers_to_the_Most_Frequently_Asked_Questions_About_Αρχικη_τιμη_bitcoin_62311

Bitcoin is a digital money which operates without any kind of central control or the oversight of banks or federal governments. Instead it relies upon peer-to-peer software program as well as cryptography.