τι ειναι το bitcoin και πως λειτουργει

https://tango-wiki.win/index.php?title=The_No._1_Question_Everyone_Working_in_bitcoin_για_αρχάριους_Should_Know_How_to_Answer

Bitcoin is an electronic money which runs free of any type of main control or the oversight of financial institutions or governments. Rather it depends on peer-to-peer software application as well as cryptography.