τι ειναι το bitcoin και πως λειτουργει

http://place-e.ru/index.php/10_Undeniable_Reasons_People_Hate_Εξαργυρωση_bitcoin_σε_ευρω_24818

Bitcoin is an electronic currency which runs devoid of any kind of main control or the oversight of financial institutions or governments. Instead it relies on peer-to-peer software application and also cryptography.