Big thumb scanner / traffic

Based on the assessment, more than 80,000 people will be involved in the Tokyo Olympics. These people must go in and out of the venue every day. They also move or shop in different places. To complete these activities, they may need passes, passports and even shopping cards. If the organizers make new cards for them, they will not be used anymore after the Olympics. This will waste a lot of resources. Big Thumb Scanner will replace the traditional card reader, which uses fingerprint recognition without making any new card. Its appearance looks like an oversized thumb that allows people to intuitively stick out their thumbs. More importantly,