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- Bitbank may restrict accounts connected to prediction market platforms like Polymarket.
- Japan’s gambling laws create uncertainty for crypto-based prediction services.
- Prediction markets face increasing regulatory challenges worldwide.
Japan’s cryptocurrency industry is facing fresh uncertainty after major exchange Bitbank issued a warning about transactions connected to prediction market platforms such as Polymarket. The exchange said users involved with these services could face account restrictions, highlighting growing concerns around whether prediction markets may conflict with Japan’s gambling regulations.
The announcement reflects a broader global debate over how regulators should classify blockchain-based prediction platforms, especially those involving financial incentives.
Bitbank Raises Compliance Concerns Over Prediction Markets
Bitbank stated that it may limit accounts that send funds to or receive funds from prediction market services. The restrictions could affect key features, including crypto trading, deposits, withdrawals, and account access.
The exchange explained that platforms allowing users to predict outcomes such as elections, sports events, or other future developments could potentially fall under gambling-related rules when participants seek financial returns.
While Bitbank did not reference a specific government order, the warning shows that Japanese crypto companies are taking a cautious approach to avoid possible legal risks.
The exchange also advised customers to be careful when using outside services and avoid activities that could create regulatory or legal issues.
Polymarket Expansion Plans Face New Challenges in Japan
The warning comes as prediction markets continue to attract attention from regulators worldwide. Platforms like Polymarket and other similar services have faced scrutiny in several regions over concerns about gambling laws and financial activity.
Polymarket has previously shown interest in expanding into Japan, but the country remains a complicated market due to its strict regulatory environment. The platform currently lists Japan among restricted jurisdictions, creating additional uncertainty around any future entry plans.
Japan has not introduced specific rules targeting prediction markets, leaving companies to interpret existing gambling and financial regulations carefully.

Growing Pressure on Crypto Platforms and Users
Bitbank’s move highlights the increasing responsibility placed on crypto exchanges to monitor user activity and manage compliance risks. As digital asset services continue to evolve, exchanges are becoming more selective about connections with platforms that may raise regulatory questions.
The situation also demonstrates the challenges prediction markets face as they attempt to expand internationally. Balancing innovation with local laws remains a major issue for the sector.
Also Read: Bitcoin Warning: Japan’s Rate Hike Could Trigger a Global Liquidity Shock
Bitbank’s warning signals a more cautious phase for prediction markets in Japan. Until regulators provide clearer guidance, crypto exchanges and users may continue facing uncertainty over how these platforms fit within existing laws.
Disclaimer: The information in this article is for general purposes only and does not constitute financial advice. The author’s views are personal and may not reflect the views of Chain Affairs. Before making any investment decisions, you should always conduct your own research. Chain Affairs is not responsible for any financial losses.
I’m a crypto enthusiast with a background in finance. I’m fascinated by the potential of crypto to disrupt traditional financial systems. I’m always on the lookout for new and innovative projects in the space. I believe that crypto has the potential to create a more equitable and inclusive financial system.
