Τα παντα για το bitcoin

https://mega-wiki.win/index.php?title=How_to_Outsmart_Your_Boss_on_Εξαργυρωση_bitcoin_σε_ευρω_79169

Bitcoin is a digital currency which operates devoid of any main control or the oversight of financial institutions or federal governments. Rather it relies on peer-to-peer software program and cryptography.