| CPC H04L 9/3234 (2013.01) [G06Q 20/204 (2013.01); G06Q 20/3226 (2013.01); G06Q 20/3278 (2013.01); G06Q 20/352 (2013.01); G06Q 20/40 (2013.01); H04L 9/0866 (2013.01); H04L 9/14 (2013.01); H04L 9/3228 (2013.01); H04L 9/3242 (2013.01); H04L 63/0853 (2013.01)] | 30 Claims |

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1. A method, comprising:
generating, by a contactless card, encoded data using cryptography with a first key stored on the card;
transmitting, by the contactless card after entry into a contactless communication field, card data comprising the encoded data to a client device;
receiving, by a server, the card data from the client device;
verifying, by the server, the encoded data using a second key associated with the first key;
activating, by the server upon a successful verification, the contactless card;
transmitting, by the server, a return message based on the activation of the contactless card; and
discontinuing, by the contactless card after activation by the server, the generation of data.
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