The following result is obtained by our expert's opinion:
It is financial technology in which payment equipment does not come into direct contact with another device for the payment.
In normal cashless payment card came into direct contact with POS machine for processing.
But, in the case of contactless payment cards and even phone use their NFC (Near Field Communication) technology, in which you just have to place your card over the POS machine without touching it to make the successful payment.
QR code payment technology like PayTM QR and Bharat QR may also come under this category.