ΛΕΦΤΑ ΣΤΑ ΚΡΥΠΤΟ OPTIONS

The dearth of the central authority could also make cryptocurrencies more secure. "It really is hack-proof since there is not any 1 central level of failure," explains David Donovan, govt vice chairman at Publicis Sapient.Εάν μπορεί ο οποιοσδήποτε να δημιουργήσει ένα μπλοκ, τι τον εμποδίζει