The difference with btc notes who will accept it. Not everyone has too. And I don't want anything physical in the future. It's time to evolve as humans in to age of pure digital.
Discussion
I was just saying that they do exist and if the internet was to be shut down (like in parts of France) you could still swap a satoshi note for fiat money if you need cash.
But yes, we do not need paper notes. Other than for fun! Check out https://vizique.com/bankrollin/