Choosing bitcoins, businessman pressing touch screen button.
Palabras clave
virtual,
market,
pay,
bit,
net,
economy,
worldwide,
business,
signs,
cyberspace,
value,
stack,
exchange rate,
finance,
digital,
bank,
technology,
computer,
e-business,
coin,
shopping,
money,
e-business,
currency,
electronic,
payment,
trade,
investment,
commerce,
banking,
man,
financial,
businessman,
international,
cash,
exchange
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