The use of Bitcoin for gambling has been greatly supported by Crypto Casino, and certainly, their promotions have been successful in luring more users, particularly gamblers. Their advertisements in different websites and social media platforms and even in sports events had a huge impact on Bitcoin's growth which has also increased the number of Bitcoin users.
However, Bitcoin has also been a good attraction to lots of gamblers who prefer using a well established coin and provide cheaper fee at the same time. These two actually work together and they also benefit gamblers who want to generate better profit and save transaction fees.
Without Bitcoin, I'm certain that many gamblers are still suffering from fees and distress, and many may still be falling for fraudulent currencies.

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for experienced gamblers I'm sure they understand everything about casinos without KYC and those asking for KYC, but for novice gamblers they very rarely understand this problem so many cases of gamblers complain of being refused when withdrawing funds on the grounds that KYC was refused because it was in a prohibited country according to the provisions Casino ToS.
so it is very important for all professional and novice gamblers who want to gamble on online sites to always pay attention to the ToS in the FAQ before making a deposit or making a bet to avoid similar incidents.