The shortage of the central authority also can make cryptocurrencies safer. "It truly is hack-proof mainly because there is no one central position of failure," points out David Donovan, govt vice president at Publicis Sapient. Εάν μπορεί ο οποιοσδήποτε να δημιουργήσει ένα μπλοκ, τι τον εμποδίζει από το να εξαπατήσει; https://rodneyy603pwe6.targetblogs.com/profile