英文關鍵字
abstract
background
bank
banking
bit
bitcoin
blockchain
broken
business
cash
circle
close
coin
community
copper
cryptocurrency
cryptography
currency
decentralized
digital
ebusiness
economy
electronic
exchange
financial
glass
international
internet
market
metal
miner
mining
money
pay
payment
penny
protocol
provider
render
shining
shopping
sign
silver
symbol
trade
value
virtual
web
white