MetaWin Casino faced a major security breach with a $4 million hack on November 3rd.The hackers exploited MetaWin's 'frictionless' withdrawal system and gained access to the hot wallets.Withdrawals were frozen to prevent further losses, but 95% of users have now had their withdrawals restored.The stolen funds were traced to exchanges KuCoin and HitBTC, and efforts are being made to identify the hacker.