From Merriam Webster
https://www.merriam-webster.com/dictionary/currency
b: general use, acceptance, or prevalencea story gaining currency
c: the quality or state of being current : CURRENTNESSneeded to check the accuracy and currency of the information
2a: something (such as coins, treasury notes, and banknotes) that is in circulation as a medium of exchange
b: paper money in circulation
c: a common article for bartering Furs were once used as currency.
d: a medium of verbal or intellectual expression… neither side possessed any currency but clichés …— Jan Struther
https://www.merriam-webster.com/dictionary/currency
Definition of currency
1a: circulation as a medium of exchangeb: general use, acceptance, or prevalencea story gaining currency
c: the quality or state of being current : CURRENTNESSneeded to check the accuracy and currency of the information
2a: something (such as coins, treasury notes, and banknotes) that is in circulation as a medium of exchange
b: paper money in circulation
c: a common article for bartering Furs were once used as currency.
d: a medium of verbal or intellectual expression… neither side possessed any currency but clichés …— Jan Struther