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Nevertheless, there are still questions for the management of Metawin and the main one is why such an amount was stored on a hot wallet and not on a cold one. In this case, there would be no problem at all with the safety of $4 million. I think the management of Metawin and other casinos will learn a lesson from this.
Other casinos can learn from Metawin's mistakes - especially when it comes to security. Even if the casino cannot place its hot wallets with low balances - at least they should be able to increase the security of their wallets from various possibilities that can be exploited by hackers. I'm not surprised why popular casinos like Metawin are targeted by hackers - of course because popular casinos like this have large balances in their wallets.
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$4 million dollar is not a huge amount of money for a hot wallet in either way for a popular crypto casino. Stake, the most popular crypto casino lost $41 million to hot wallet. These numbers aren't big numbers for crypto casinos these days.
You're right - popular casinos obviously have a lot of funds and that's why they become targets for hacks. But that's the reason - casinos must regularly pay attention to the vulnerabilities of their wallets and increase their security levels so that it is not easy for any hacker to get their hands on the funds.