英文關鍵字
advantage
belong
bitcoin
buy
challenge
coin
commerce
cryptocurrency
cryptography
data
decentralize
digital
ebusiness
economy
electronical
exchange
fall
farm
finance
financial
golden
international
investment
market
mine
model
monetary
motion
payment
peertopeer
protocol
rich
slow
system
trade
transaction
transfer
use
virtual
wallet
wealthy
web