Billionaires are wealthy but usually don't hold cash assets (or much gold for that matter), currencies are irrelevant. (In a BTC world they wouldn't hold much

Billionaires are wealthy but usually don't hold cash assets (or much gold for that matter), currencies are irrelevant. (In a BTC world they wouldn't hold much BTC either, if they do that'd be a pretty bad outcome since wealth would be moved to a none productive asset)