가변QR 시연:

https://youtu.be/zFeYg1RLBps

가변QR 상세정보:

https://www.Bizworks.co.kr

YTN링크

http://www.ytn.co.kr/_sp/1208_201711280100285396

사례링크

https://www.gov.uk/foreign-travel-advice/china/safety-and-security