electronic cash
noun [ U ]
ukus(also e-cash); (also electronic currency); (also e-currency); (also electronic money); (also e-money); (also digital cash)money kept in electronic form which allows a buyer to pay for goods and services on the internet without using a credit card:
The Electronic Commerce Promotion Council has worked to harmonise Japan with other countries by promoting online shopping and electronic cash.
money kept in electrical form on a smart card, that can be used to pay for goods and services in shops, etc. without using a credit card:
an electronic cash card/register/system
The electronic cash can be given to a shopkeeper to pay for goods by simply slipping the card into a reader