In the near future??
Bitcoin tattoos are already passe.
https://99bitcoins.com/the-best-7-bitcoin-tattoos/
LOL. Maybe everyone who uses bitcoin will have a bar code for bitcoin on his body. Maybe this is one of the developments of bitcoin. But, I'm sure, bitcoin will evolve from different directions, even though it's tattooedBitcoin tattoos are already passe.
https://99bitcoins.com/the-best-7-bitcoin-tattoos/