What are you talking about, Since mans travels throughout the galaxy, there's has been no evidence of extraterrestrial life's.
Okay, let's say aliens are to come to earth, there's possibility that the first currency they come in contact with, will become their first primary currency  same as language. Probably, if they are of higher intelligence than us man, they will be able to tell about all different types of currencies in the world.



And what do you mean by newborns. Let me ask you this question, did you have any self conciouness, of when you were born. What age were you when you started understanding signs from your parents. Stop Creating topics out of the blues.
It's not possible for new Borns to be aware of bitcoin