Mobile wallets, cardless transactions and person-to-personpayment technology get a lot of attention, but at the end of theday, some people – and especially millennials – would rather justuse cash, according to a new study by ATM servicer Cardtronics.

Investors have plowed billions into technologies and companies striving to disrupt the world ofpayments, but Cardtronics found cash use actually increasedover the past year for 37% of the 1,015 adults surveyed betweenNov. 10 and 12, 2015.

“Cash is king for many consumers, even in today's expanding universe of digital payment options,” CardtronicsChief Marketing Officer Tom Pierce said. “Our survey data clearlyshows that in a competitive payments environment, cash is a predominantpayment form and sits atop multiple spending categories.”