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Sports BettingAsia Gaming Brief · Jun 15

Japan’s Bitbank warns users over Polymarket transactions amid gambling concerns

By Frank SchuengelJune 15, 2026

The brief

Japanese cryptocurrency exchange Bitbank has issued a warning to its users regarding transactions involving prediction market platforms, such as Polymarket. The exchange cited concerns that these services might violate regulatory guidelines.

This advisory suggests that engaging with platforms offering prediction markets could be viewed as a form of gambling or betting, which may be subject to specific legal frameworks in Japan. As a result, Bitbank is flagging these activities to its users to avoid potential issues.

The exchange indicated that such transactions could lead to account restrictions, emphasizing the importance of user awareness regarding the nature of services they interact with. This move reflects a cautious approach by financial institutions in navigating the evolving digital asset and prediction market landscape.

Original report

Asia Gaming Brief

Summary is editorial. Full reporting, images and rights belong to the source.

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