英文關鍵字
anonymous
bank
banking
bit
bitcoin
blockchain
business
buy
cash
chip
coin
commerce
concept
crypto
cryptocurrency
cryptography
currency
customer
dark
digital
ebusiness
economy
electronic
exchange
fan
finance
financial
global
hashcash
idea
illustration
internet
invest
investment
isometric
market
mining
money
network
pay
payment
sign
smartphone
symbol
trade
transaction
usb
virtual
wireless
xbt