Digital currency or digital money or electronic money is distinct
from physical (such as banknotes and coins). It exhibits
properties similar to physical currencies, but allows for
instantaneous transactions and borderless transfer-of-ownership.
Examples include virtual currencies and cryptocurrencies.
Like traditional money, these currencies may be used to buy
physical goods and services, but may also be restricted to
certain communities such as for use inside an on-line game or
Information above was retrieved from wikipedia.
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