• Bitbank warned customers that transactions linked to prediction markets such as Polymarket could result in account restrictions or suspensions.
• The exchange cited potential conflicts with Japanese gambling laws and said suspended users could lose access to trading and withdrawal services.
• The warning comes as Polymarket explores potential expansion into Japan despite currently restricting access from the country.

Bitbank, one of Japan’s largest cryptocurrency exchanges, warned customers that deposits and withdrawals connected to prediction market platforms such as Polymarket could lead to account suspensions.

The notice highlights regulatory uncertainty around prediction markets in Japan, where gambling laws may apply to services that allow…