I wonder what level of information are you willing to provide?
- email?
- phone number?
- identification card?
- passport?
What Darkdays said kind of bugs me.
Normally they will only do this under very particular circumstances though, e.g. if they're suspected of money laundering or manipulating the system.
Obviously requesting KYC from a user is extremely bad PR, so you can understand why these platforms would be hesitant to do it.
That said, there are some benefits to the practice, and most casinos will likely implement some relaxed KYC procedures eventually due to increasing pressure from the financial authorities.
If there is a clause stated somewhere in the Terms and Conditions that online casinos can ask for verification anytime they see it necessary, that just means there is no KYC less gambling platform in reality. The no verification policy appears to be a marketing strategy to attract small time and average players. The big time players probably knew they are always required to submit their personal details.
I'm not questioning the strategy by the way. It actually makes sense. Online casino owners allows anonymous registration and get more players in the process while complying with regulatory authorities.
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There appears to be a different view on what a legit online casino is.
TimeTeller says the legit do not ask for KYC even if you win a big amount while ryzaadit says otherwise and citing a case.
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I have updated the list and added casinos provided in the comments. I encourage the readers to please verify first.