Offshore brokers such as coinexx,turnkeyforex allow trading accounts with only valid emails, if you deposit and withdraw through cryptos.So your personal information on such account is only an email address.
it sounds rather scary. those offshore brokers' bosses could the thinking about how to steal clients' $$$$ every day. Then go India to 'die'. paying tax is a good thing. It means you are successful in trading. so if you try to avoid paying taxes, you might end up having your trading account zeroed out.
Taxes are costs. Let's say you have a successful year, but next year in January and February markets go down. You're left with tax bill, but without money. Have fun paying them.
I don't think all are scammers to be honest. With such tight restrictions on trading conditions in some countries offshore brokers have a niche to fill. There are unfortunately a lot that are though and that makes it hard to find decent ones. Seen threads on other forums that have a running list of decent ones.
That's why you pay estimated taxes every tax quarter, immediately following the close of the quarter.