The lack of the central authority could also make cryptocurrencies safer. "It is hack-evidence since there isn't any a person central issue of failure," explains David Donovan, executive vice chairman at Publicis Sapient. Εάν μπορεί ο οποιοσδήποτε να δημιουργήσει ένα μπλοκ, τι τον εμποδίζει από το να εξαπατήσει; Η δεύτερη https://seymourr582mub5.tkzblog.com/profile