The lack of the central authority also can make cryptocurrencies more secure. "It's hack-evidence simply because there isn't any one central position of failure," points out David Donovan, executive vice president at Publicis Sapient. Εάν μπορεί ο οποιοσδήποτε να δημιουργήσει ένα μπλοκ, τι τον εμποδίζει από το να εξαπατήσει; Ένα https://johnc703qyg7.azzablog.com/profile