| CPC G07C 9/00309 (2013.01) [G07C 2009/00436 (2013.01)] | 18 Claims |

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1. An information processing device comprising a control unit that executes:
receiving a request to initiate use of a first vehicle from a first terminal used by a first user;
transmitting, to the first vehicle, a first command for transmitting first identification information by visible light communication, the first identification information being identification information of the first vehicle;
receiving a first signal including second identification information and the first identification information from the first terminal, the second identification information being identification information of the first user; and
transmitting a digital key of the first vehicle to the first terminal when the second identification information included in the first signal matches third identification information, the third identification information being associated with the first identification information in advance.
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