The term 'cashless' refers to a system of transactions that do not involve the exchange of money. The crossword solutions for this term are BARTER (6 letters), BARTERED (8 letters), SWAPS (5 letters), SWAP (4 letters), and TRADE (5 letters). Bartering is an ancient form of trading goods or services without the use of money. Swapping is similar to bartering, but involves exchanging one item for another. Trading is the exchange of goods or services for money or other goods or services. All of these terms refer to cashless transactions.