If you ask me for my personal opinion, then the answer is that he and his administration will be very harsh on Bitcoin, or at least try to be. However, unlike when he was the president for the first time, now in the game with BTC we have very powerful companies like BlackRock and Fidelity, and a very strong crypto mining sector that will lobby together so that there are no strict regulations or maybe even bans.
Bitcoin has matured and come to a point that it is a political issue. Accept it, prohibit it will create advantage or disadvantage of a politician's propaganda or a party's propaganda.
Trump just has to accept this fact, join the trend and do something oppositely with Biden administration to gain support from US. citizens especially citizens who love Bitcoin, cryptocurrencies and are investors in this industry.
As for the CBDC, the matter is very clear, if he become the president, he will do everything to prevent this from happening, but he will have the same attitude towards everything he considers to be a threat to the US dollar.
It is not actually threat for US. dollar but for privacy of US. citizens. Only my thinking, I guess Trump worries about CBDC's power to trace his money flow too. He possibly will care more about himself, before the US. citizens.
I (and certainly many people) would like to see some third option for president, because Biden is simply too old and senile, and Trump is a man against whom various court proceedings are being conducted and as such he should not have a chance to run at all.
I am outside of USA, not their citizen but I feel a little bit that a big nation like them can not have better candidates for an upcoming President Election. Both Biden and Trump are too old already and they need to find other people but fact is this Election will be between two old men.