In a cashless society, financial transactions are not conducted with physical banknotes or coins, but instead with digital information. Cashless societies have existed from the time when human society
A consumer pays for coffee using Apple Pay on their iPhone and a Square reader.
Detail of the obverse of a Series 1950 United States ten-dollar bill, showing the phrase "This note is legal tender for all debts, public and private, and is redeemable in lawful money at the United States Treasury, or at any Federal Reserve Bank." This phrase was subsequently shortened in later issues to "This note is legal tender for all debts, public and private."