graphein definition
graphein means writing1Therefore, this virtual crypto- currency is not a coin or banknote, but virtual money that play the role of coins or paper money for payment or ex- change purposes. They can also be used to have access to services. To comprehend the nature and functions of these currencies, a researcher has provided the following definition: «They are virtual currencies that are detached from the socio-institutional environment, rely on encryp- tion (Hidden writing: Cryptography), and operates in a de- centralized manner.2