/ˈkɜːfjuː/ – noun
Definition: 1. tiền tệ, đồng tiền;
2. thời hạn hiệu lực;
3. sự lưu thông, sự lưu hành.
A more thorough explanation: Currency refers to the system of money that a country uses, including both coins and banknotes. It is the official medium of exchange that is recognized by a government for transactions within its jurisdiction.
Example: The defendant was charged with counterfeiting currency, a violation of federal law.