Japan's prediction markets use shopping vouchers to bypass gambling laws
Japanese operators are launching prediction markets that pay winners in shopping vouchers rather than cash, working around the country's strict gambling laws that block global platforms like Polymarket and Kalshi. The voucher model mirrors the regulatory gray-zone tactics that allowed pachinko to thrive. Youth participation is reportedly rising on domestic platforms that use points or vouchers to settle bets on elections and stocks.
The voucher workaround creates a template for platforms in other Asian jurisdictions with hard gambling bans. Japanese courts and regulators tolerate the model, operators in South Korea, Thailand, and similar markets can adapt the same structure rather than wait for legislative reform. The loyalty-points and voucher variants are both pursuing the same legal distinction: non-cash rewards may fall outside gambling definitions, but that theory remains untested in any Japanese court.
A single adverse ruling would collapse both models and force a retreat to pure social-prediction formats with no prizes at all. For now, the absence of enforcement gives domestic startups a narrow window to build user bases before regulators close the gap or global platforms find their own compliant entry path.
The shopping-voucher model joins a recent loyalty-points approach by Japanese startups POYP and Miraima in testing whether alternative reward structures can sustain prediction markets where cash contracts face gambling prohibitions.