英文關鍵字
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bank
banking
bitcoin
bitcoinbusiness
black
btc
business
buy
cash
coin
commerce
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crisis
crypto
cryptocurrency
cryptography
currency
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digital
down
ecommerce
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exchange
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falling
finance
financial
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gold
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international
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market
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net
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object
one
payment
shining
single
symbol
system
trade
virtual
web
worldwide