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And trusted casinos will always try to protect the data or everything in the casino. And the casino will always increase vigilance and security so that data will not be leaked, stolen, or even hacked.
This is true, one can't compare the degree of safety between performing KYC for trusted companies versus brand new or shady projects. However, KYC always carries a risk, we have seen many times with leading companies in their sector, like in Ledger's case where
data from 270K crypto wallet buyers were exposed: so no matter how big and secure the company is, there can always be weak points. In fact, the larger the company the more likely it is to be targeted.