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Contactless payment systems encompass credit and debit cards, key fobs and other mobile devices, such as smartphones, that allow you to make secure payments by simply waving the card or other device over the reader terminal. While there are some similarities between contactless payments and mobile payments, which can also be made on your smartphone, the main difference between the two is that mobile payments generally use a broader mobile or Wi-Fi network, while contactless payments require close physical proximity. https://www.confiduss.com/en/info/blog/article/contactless-payment-cards/