So in China literally everything is done through WeChat (EDIT: or AliPay), including payments and government services. During zero covid, to prevent spread, the Chinese government introduced a vaccination passport that shows whether or not someone was vaccinated and the results of their last test. This was required for travel, and considering the video was taken on a train, I'm pretty sure it's just the police checking covid status to make sure people are allowed to use train travel under the zero covid rules. The whole thing about checking for "illegal apps" without a warrant is some garbage the reddit poster made up.
This is pretty similar to my experience as well. I only used AliPay for actual payments just because WePay required a Chinese bank account and so was off limits to foreigners. I did, however, book tickets to places through WeChat, and it seemed like all of those services were on WeChat, though maybe there were also similar services on AliPay that I wasn't aware of.
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So in China literally everything is done through WeChat (EDIT: or AliPay), including payments and government services. During zero covid, to prevent spread, the Chinese government introduced a vaccination passport that shows whether or not someone was vaccinated and the results of their last test. This was required for travel, and considering the video was taken on a train, I'm pretty sure it's just the police checking covid status to make sure people are allowed to use train travel under the zero covid rules. The whole thing about checking for "illegal apps" without a warrant is some garbage the reddit poster made up.
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This is pretty similar to my experience as well. I only used AliPay for actual payments just because WePay required a Chinese bank account and so was off limits to foreigners. I did, however, book tickets to places through WeChat, and it seemed like all of those services were on WeChat, though maybe there were also similar services on AliPay that I wasn't aware of.
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Nice. I’m no longer there, but good to know WePay is an option in the future.