But as far as I know Roobet only ask for level 1 KYC, right?
Yes, on Roobet, all players have to complete at least the level 1 verification by providing the following information: name, second name, date of birth, country of usual residence, and telephone number
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They have a deposit/withdraw threshold amount after which you will have to complete level 2 verification.
This doesn't mean if you are going to deposit/withdraw small amounts you can provide wrong information because they do crosscheck those information.
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https://roobet.com/aml-policyYes, providing incorrect data can endanger the player's position, maybe many players only play with small values and never think about winning big but what if that happens and the security system from Roobet asks the player to do the next level KYC and this will become a problem or what if in the future Roobet changes the rules there will be a withdrawal limit from each KYC level, so be careful in acting to avoid unpleasant things in the future