ΤΙ ΕΙΝΑΙ ΤΟ BITCOIN
https://wiki.tart-aria.info/index.php?title=So_You've_Bought_bitcoin_για_αρχάριους_..._Now_What%3F
Bitcoin is an electronic money which runs devoid of any central control or the oversight of financial institutions or governments. Instead it relies upon peer-to-peer software program and also cryptography.