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https://andrismoi.wordpress.com/2013/04/04/%cf%84%ce%b9-%ce%b1%ce%ba%cf%81%ce%b9%ce%b2%cf%8e%cf%82-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9-%cf%84%ce%bf-bitcoin-%ce%bc%cf%80%ce%bf%cf%81%cf%8e-%ce%ba%ce%b9-%ce%b5%ce%b3%cf%8e-%ce%bd%ce%b1-%cf%80%ce%ac/
Τι ακριβώς είναι το Bitcoin; Μπορώ κι εγώ να πάρω μερικά;