τι ειναι το bitcoin και πως λειτουργει

https://wiki-neon.win/index.php?title=The_3_Greatest_Moments_in_Τα_παντα_για_το_bitcoin_History

Bitcoin is an electronic money which operates without any kind of central control or the oversight of financial institutions or governments. Instead it relies upon peer-to-peer software application as well as cryptography.