You can open WeChat and scan it, aiming directly at the auspicious code on the paper. After scanning, you will enter the relevant interface. You need to fill in your ID number and mobile phone number, and then you can see your lucky code.

Scanning is scanning the QR code. Black-and-white, maze-like QR codes have penetrated into people's daily lives. With the popularity of smart phones, QR codes have become an important channel for connecting online and offline.

Now basically all websites have two-dimensional codes, which contain the website address information of this website. You can identify it by scanning it, and you can go to this website. Add a friend WeChat, qq or something and let him publish his QR code or send it to you. This QR code is the only identity information.