[1] is a nice summary about how contactless payment works under the hood. [1] https://media.ccc.de/v/34c3-8965-decoding_contactless_card_payments https://media

[1] is a nice summary about how contactless payment works under the hood. [1] https://media.ccc.de/v/34c3-8965-decoding_contactless_card_payments https://media.ccc.de/v/34c3-8965-decoding_contactless_card_p...