NFC technology is not bad, but it is costly and requires both the mobile end and the receiving end to support NFC, which then involves a promotional network effect.

Imagine there are two waves of ground promotion. One wave involves street vendors saying that each of you just needs to apply for a code on your phone, and it won't cost anything. The other wave involves promoting an NFC payment POS machine (assuming it costs 1000 yuan) for the vendors to purchase.

The world is never about the best technology becoming popular; it's about technology that is good and affordable.

QR code scanning has achieved almost full coverage in China, which has also created a network effect, making it so that almost no one needs to carry a wallet. In Europe and America, NFC still has a way to go for full coverage; when you go out, you still need to carry a wallet, making it much less convenient.

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