SHENZHEN/BEIJING -- As a couple in their 60s entered the self-checkout at a Walmart in Shenzhen, China's high-tech hub, the woman pulled out her phone instead of reaching for her wallet.
Currencies
China starts digital yuan trial by giving $30 to 50,000 people
Beijing jumps to real-world test as G-7 nations raise questions on transparency
Buying food in Shanghai: Many Chinese are already accustomed to paying by smartphone. Now, the government has turned to ordinary shoppers to test a digital currency.
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