WeChat Pay is ubiquitous in China, and has largely replaced all cash use.
I'm surprised nobody in the US is worried about Facebook surveilling their financial transactions.
And I'm surprised no one in China is worried about the government surveilling their financial transactions.
What transaction rates does WeChat Pay charge and how do they compare to Stripe/BrainTree/PayPal?
If you are just using WePay for buying food, as a customer you don't pay anything extra. For store owners, let's say a small shop that sells breakfast buns, the money to pay through WePay is usually sent directly to the owner's WePay wallet.
that’d be illegal in the US, right?
Because for the vast majority of Americans, convenience trumps privacy.