Am I wrong to have a boundary about finances in a relationship? What should I do when the boundary is being pushed?

I started talking to this guy and it's been fun and flirty. We have not met in person yet. He brought up the conversation about finances (income, financial goals, cryptocurrency). I told him that it was too soon to be having financial conversations like this, especially since we haven't officially met yet. He continues to ask about it, and he's moved to "wanting to experience the joy in earning money together" (he's talking about cryptocurrency). I said that I wasn't interested in doing that. He keeps bringing it up and saying it's to make my life better (or some crap like that). He doesn't know me, I don't know him. I keep resisting and sticking to my refusal. Honestly I am just getting tired of the same conversation.

Am I wrong to have/keep this boundary about it being too soon for these kinds of financial conversations?
Am I wrong to have a boundary about finances in a relationship? What should I do when the boundary is being pushed?
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