英文關鍵字
absence
advantage
attachment
bitcoin
blockchain
bright
brush
challenge
clean
coin
cryptocurrency
cryptography
currency
decentralize
digital
ecommerce
economy
electronical
exchange
face
farm
finance
financial
fur
international
internet
investment
macro
monetary
network
official
payment
rich
soft
spangle
system
technology
trade
transaction
virtual
wealthy
web
worldwide