> How can I, an ordinary person, track it from Coinbase (KYC) to whatever wallet the prediction market is using to accept payment (or vice versa)." in order to link a real identity to a prediction market identity?

KYC data is certainly confidential.

> The government which has access to that is the very government making money doing this, so would not investigate itself.

I'm not obsessed with the Trump administration, so let's not make everything about them, OK? There are other governments in the world and there will be other administrations in the US in the future. I would like to talk about prediction markets in general.