What does finality mean? When I get paid by credit credit card it's "final", because that transaction can't be cancelled, only a new transaction can be created

What does finality mean? When I get paid by credit credit card it's "final", because that transaction can't be cancelled, only a new transaction can be created to undo it without my consent. Patrick loves to write coyly, but his point is simple: If the government can find the money they can take it back from you. What he misses is that it only works if they can find the keys (or the next best thing -- your body).