Wealth and income are denominated in dollars, or other bank currency generally, so they are bound by their availability.

For example, you cannot have $2,000,000,000,000,000 in annual income, simply because $2,000,000,000,000,000 do not exist.

>I got it by trading with someone else.

If you examine the transaction in its historical context, there will be a chain of trades going back to a bank loan (or multiple).

You seem fixated on the trade of dollars, while seeming unconcerned about how dollars come to exist.