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I wouldn't pay even if it was 5 BUSD to recover because it my right and if they were operating legally they are liable to recover anything that is not theirs, and if they were operating illegally it wouldn't be worth the risk. Plus they said they wouldn't recover even if I paid because they "don't support HBD"

I disagree. They need to get payment for their work hours. It was your mistake after all. Implementing and testing a new feature takes time. HBD is not another Ethereum token.

It is literally in the law, my friend, it is entirely their responsibility to return funds that were not meant to be theirs, you can't charge users to obey the law. As a centralized exchange they need to either obey the law or disobey.

Plus, they do get paid in trading fees already. Do you think they don't have the money? It is Binance, morally they don't need to charge for something like that, legally they can't.

Regardless, they refuse to refund it even if I paid. Also I have inquired about their representative in Brazil, and while they claim they are operating legally in this country, they refuse to give legal contacts, which to me means they are possibly lying when they say they are operating legally.