The dearth of the central authority also can make cryptocurrencies more secure. "It's hack-evidence for the reason that there is no one central place of failure," explains David Donovan, government vice chairman at Publicis Sapient. Εάν μπορεί ο οποιοσδήποτε να δημιουργήσει ένα μπλοκ, τι τον εμποδίζει από το να εξαπατήσει; https://harryo484jzi8.blog4youth.com/profile