ΤΙ ΕΙΝΑΙ ΤΟ BITCOIN
https://wiki-tonic.win/index.php?title=When_Professionals_Run_Into_Problems_With_Εξαργυρωση_bitcoin_σε_ευρω,_This_Is_What_They_Do
Bitcoin is a digital money which operates free of any type of central control or the oversight of banks or governments. Rather it relies on peer-to-peer software application and also cryptography.