A contactless payment solution overrides a consumer's need to insert or swipe a credit or debit card. Consumers that use contactless payments don't have to enter their PIN or sign for the transaction. To know more https://www.forbes.com/sites/forbestechcouncil/2020/10/21/contactless-payment-solutions-why-and-how-to-adopt-them-in-a-post-covid-19-economy/