These days, if you go shopping in any of China's major cities, one thing that you will probably not see is people making purchases using cash, or for that matter credit cards. Whether buying a TV, a burger, or groceries, the majority of retail transactions in China are now made using a mobile phone with a cashless payment system such as WeChat Pay or Alipay. This book is part of Springer's "Computer Communications and Networks" series, a range of textbooks aimed to quickly deliver a good grounding in particular technologies-in this case, mobile payment systems (MPSs).
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