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, but how do you go about fighting the titans?
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Of course, fighting a titan is very difficult and may even seem impossible. 
However, let’s imagine that information has spread among cryptocurrency lovers that, for example, such a KYC option as sending a photo of a person with a document in hand is not an acceptable identification option.  And no one will send such personal information to the casino.  If this becomes widespread enough, then the casino itself, seeing that clients have begun to massively refuse to provide such data, will be forced to look for other methods of personal identification. 
And this, for example, may be only the first step in the overall struggle to restore anonymity in gambling in casinos with cryptocurrency.  But this is of course just an example.  However, it is possible to begin implementing such programs to fight for privacy rights.