Hi, I'm glad you're interested in online gambling. When choosing a reliable online casino, there are several factors to consider. First of all, pay attention to the casino's license and the reputation of the operator. It is also useful to read reviews from other players and check what payment methods are accepted in the casino. If it is important to you to use Bitcoin for gaming, look for casinos that support this cryptocurrency. Some popular online casinos that accept Bitcoin include BitStarz Casino and it's all on Bitcoin Casino. It is known for its reliability and wide selection of games. Be sure to study the terms and conditions of each casino to be sure of your choice. Good luck and enjoy playing! If you have any more questions, feel free to ask.