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I have asked support and they have confirmed that they do not deem any crypto earnings as legal and valid source of income apart from income made through mining. ...

I earn my money from trading, selling some services and sometimes airdrops and stake tells me I am invalid
This is the shittiest statement i read from a reputed platform today if they are following some regulation then it is stupid too how come it was approved.
So now, they only see miners as legal crypto jobs/works others are all illegal, what kind of brain they have.
The assumed money laundering isnt the case, he probably will got a reply about that