Its the best exchange till now. And no, exchanges are only to do your trades. Always transfer huge funds back to your Hardware wallet for extra safety. I heard the Exodus wallet is also pretty good. You can check them out. In my opinion, Binance is one of the most trustworthy centralized cryptocurrency exchanges out there.
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They were able to avert disaster twice by spotting irregular trading activity early enough to take preventative action, with both the SYS coin and VIA coin API attack.
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On top of that, Binance has extremely deep pockets that allow them to cover any user losses during an attack. They are even putting 10% of all transaction fees into an insurance fund to protect against future mishaps.
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