currency
/ˈkʌɹ.ən.si/
noun
Meaning
Money or other items used to facilitate transactions.
"Wampum was used as a currency by Amerindians."
(more specifically) Paper money.
The state of being current; general acceptance or recognition.
"The jargon’s currency."
Current value; general estimation; the rate at which anything is generally valued.
Fluency; readiness of utterance