TOKYO -- I suffered one of the most embarrassing moments of my life the other day, when I finished my bowl of noodles at a popular Chinese restaurant in the Japanese capital and was about to pay the bill.
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Cashless pioneer China extends lead with digital yuan
Ease of use makes central-bank-backed virtual currency attractive
China's central bank has been working toward a full launch of a digital version of the yuan. (Photo by Iori Kawate)
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