Αρχικη τιμη bitcoin
https://spark-wiki.win/index.php?title=12_Reasons_You_Shouldn't_Invest_in_Εξαργυρωση_bitcoin_σε_ευρω_28777
Bitcoin is an electronic money which runs free of any kind of main control or the oversight of banks or federal governments. Rather it relies on peer-to-peer software and cryptography.