I am in a trading group and used falcoin.new platform to trade crypto futures and made a profit of 1.2mil. They asked me to pay 15% tax which I tapped my home equity to pay 189k and they asked me to withdraw all my 1.2mil at once. I placed the withdrawal request and they sent me an email that IRS regulation required me to pay 3% withdrawal fee which came to a little over 38k which I was never told prior, so my money has been stuck there since August 19th. I am trying to find this fee and who knows what else they will say after the fees can someone tell me if these are legitimate charges. They are not transparent at all which is concerning.