@Crypto888 31 July 2021 more from that month

Today we saw the QR code campaign, the convenience of mobile payment But look at the recent floods in China, where many places affected by the disaster have lost fiber optic cable transmission and base stations, and nearly a million cell phones have no signal, so they can't use Alipay and can only use cash transactions. Is the over-reliance on mobile payments and Internet technology that good? (picuture from pexels)