Actually I also have a strong suspicion about it, a program that was created must have been equipped with high security layers. Especially when it comes to user property rights, such as brand assets on the platform, of course the security of the platform is made as perfect as possible. While there must have been a loophole, it would have taken at least years to get to it and it wasn't easy, unless it was an insider's negligence that led them to lose their exchange assets through their own fault.
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I'm sure that no matter how hacked they are, we can't really blame them because it's certain that in an exchange to store users' assets, they always prioritize the security of their users' assets from hacker attacks. At least they put 2fa as the main security for their account it must be layered again with security in exchange it makes security layered. Unfortunately hackers always find any way to break it all, there are always loopholes in every security. Even when you say exchanges in your country have insane security that they can hack, this is actually hard to understand, but it's a true fact because I've also heard of major exchanges getting hacked even with high security.