Online casinos encounter a variety of legal challenges that differ significantly across jurisdictions, primarily due to the diverse regulatory frameworks governing gambling. In the United States, the legality of online gambling varies by state, with some states fully legalizing online casinos while others enforce outright bans, leading to a complex landscape of compliance requirements. Countries in Europe often have more standardized regulations, but operators must still contend with varying licensing conditions and consumer protection laws. In regions with lax regulations, such as certain Caribbean jurisdictions, challenges may arise related to ensuring fair play and preventing fraudulent activities.