The question is a really important one, especially now that the choice of platforms is huge. There are several factors that I always pay attention to. First of all, it is the license. A reliable casino should be licensed by one of the reputable organizations, such as Malta Gaming Authority or UK Gambling Commission. This ensures that the platform is regulated and monitored. Secondly, reputation. Before registering, I always look for user reviews to see how the casino behaves in case of disputes. I can also recommend the site
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, where reviews on different casinos and their ratings are collected, which greatly simplifies the choice. Thirdly, the conditions of bonuses are important. Often casinos are lured by generous offers, but the wagering conditions can be simply unrealistic. I also always check the deposit and withdrawal options to make sure that they support convenient payment methods, and withdrawal does not take too long. And, of course, security - data encryption and protection of personal information is a must.