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- Bitbank warned Polymarket-linked accounts may face suspension under compliance rules.
- Users could lose access to logins, crypto transfers, yen withdrawals, and trading.
- Japan’s strict crypto rules are pushing exchanges to monitor prediction market activity.
Japanese crypto exchange Bitbank warned customers that accounts linked to prediction market services such as Polymarket may face suspension. The notice was published on June 15. Bitbank said the move follows Japanese laws and regulatory guidelines for licensed crypto platforms.
The company said prediction market services can create legal and compliance risks for users. It cited platforms that allow crypto-based speculation on future events. Bitbank named Polymarket as one example in its customer notice.
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Polymarket-Linked Transfers Face Suspension Warning
The exchange said some services may be viewed as gambling or gambling-related activities under Japanese law. It warned that users in Japan could face risks when accessing those platforms for financial gain. The notice also covered services suspected of offering similar betting functions.
Bitbank said it may act if it detects deposits or withdrawals linked to Polymarket or similar platforms. The same response may apply to transactions connected with suspected prediction market services. The exchange said account suspension could follow in those cases.
Suspended users may lose access to several account functions. Bitbank listed account login, crypto deposits, crypto withdrawals, Japanese yen withdrawals, and crypto trading among possible restrictions. The company said these limits would be applied under its compliance policies.
Bitbank also said it would not accept responsibility for losses or damages caused by suspension measures. The exchange gave users a review path if they believe an account was flagged incorrectly. Customers can contact Bitbank through its official inquiry form.
The company urged users to check risks before using services. It said customers should avoid involvement in activities that may lead to crimes, disputes, or criminal conduct. Bitbank framed the warning as part of its effort to protect customers.
Japan’s Crypto Rules Put Polymarket Under Scrutiny
Blockchain-based prediction markets have drawn interest as users place trades tied to the outcomes of future events. These markets often cover elections, sports events, political developments, economic data, and geopolitical issues. Polymarket has become one of the most visible names in that sector.
Regulators are reviewing whether prediction markets should be treated as financial instruments, betting platforms, or unauthorized gambling services. The issue has become more prominent as real-world event trading continues to expand.
Japan keeps strict rules for licensed cryptocurrency exchanges. These firms must follow compliance requirements tied to anti-money laundering controls, consumer protection, and illegal financial activity.
Bitbank’s warning shows how regulated exchanges are watching transactions tied to high-risk external platforms.
The notice also emphasizes the broader pressure on cryptocurrency exchanges amid the growing scrutiny of the rest of the crypto industry around the world.
Prediction market activity is still pushing the limits of trading, forecasting, and betting. Bitbank’s message puts the spotlight on Polymarket-related transactions for Japanese customers.
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