英文關鍵字
background
bank
banking
bit
bitcoin
bitcoins
blue
btc
btcs
business
coin
commerce
cryptocurrency
currency
ebusiness
ecommerce
economy
ecurrency
electronic
exchange
finance
financial
five
gigital
internet
metal
money
pay
payment
render
revolve
rotate
rotated
round
rounding
sign
silver
spinning
stack
symbol
virtual
web