Due to the aforementioned sanctions, it would be most likely illegal for anyone to invest in your project worldwide. Anyone investing in your project also has the potential to be placed on sanctions lists yourself, which would make it very difficult to transact business or maintain a bank account.
This is in addition to the red flags your project is emitting.
No, it wouldn't be problem for worldwide.
Currently, the problem goes to trading with USD. For example, we have no problem trading with Russia or China or our neighbors with their own currency. Bitcoin doesn't belong to US nor have any official relation with USD.
It can be problematic for people dealing BTC with USD. Even in that condition, it's not a problem for people who take care about their identity. More or less, cryptocurrency is all about being anonymous (by considering other things of course).
Overall, any investor should consider this issue by the way. It's all up to them as I've mentioned.