Αρχικη τιμη bitcoin
https://wiki-cable.win/index.php?title=7_Answers_to_the_Most_Frequently_Asked_Questions_About_Αρχικη_τιμη_bitcoin_94648
Bitcoin is an electronic currency which operates without any central control or the oversight of financial institutions or federal governments. Rather it counts on peer-to-peer software as well as cryptography.