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All in takes is integration of one standard item, and a community to make use of it in the physical world, This anyone can make happen.

However, here on Steemit the Steem chain it is not a thing they have any interest in. I can say this because of the mute gained from mentioning someone in the post, They do not want to even hear about the possibility.

Yes, that is sad as the Steem blockchain would be a great stepping stone to this type of integration! It would give the value of Steem a boost because people would be buying more Steem to make purchases and such. IDKM!