Can I trade Hive in my wallet on Hive, connected to my Zypto wallet, for Bitcoin?

Yes. Use the swap function in your Zypto app.

*Can I send Solana I have on a centralized exchange to my Zypro wallet? *

Yes.

Can I trade my Solana for Hive?

Yes.

What are the parameters for reporting transactions on my Zypto wallet to the IRS?

You'll have to check with your CPA, tax attorney or directly with the IRS.

How much can I profit before it's taxable?

Depends on your country's tax law. I'm not a tax lawyer.