The US Dollar is already completely dead, we just don't know it yet. They will use every method of coercion to get people to voluntarily accept this. Most likely, they will pay everyone a Universal Basic Income (in the form of their new digital currency) if they agree to be vaccinated. Think of how many people will take a shot just for free money. Especially if the alternative is that you are completely cut off from the new economic model and won't be able to earn a living.