Chen Tian Universe
Jul 25, 2023 · Fundamentals
What Happens Behind a Simple WeChat QR Payment? A Deep Dive into the Payment Chain
The author walks through a real‑world WeChat QR payment, revealing how a single transaction triggers multiple participants—including a unified collection code, WeChat Pay, the payer’s bank, and both NetUnion and UnionPay—while dissecting the information and fund flows captured in the resulting bill.
UnionPayWeChat Paynetunion
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