The shortage of a central authority also can make cryptocurrencies safer. "It is really hack-proof for the reason that there isn't any one particular central level of failure," points out David Donovan, executive vp at Publicis Sapient. Εάν μπορεί ο οποιοσδήποτε να δημιουργήσει ένα μπλοκ, τι τον εμποδίζει από το https://walesr592nwd5.wikipublicist.com/user