Wallet platform to speed repayments to foreign travelers after move away from exemptions The launch of Upbond's platform coincides with a change to Japan's tax-free shopping rules in November. (Photo by Yuri Fukino) TOKYO -- Japanese technology company Upbond has developed an electronic wallet system that will let foreign tourists in the country receive refunds from tax-free shopping in JPYC, a yen-denominated stablecoin.