Downloadable multimedia file containing artwork relating to clothing, shirts, pop culture, movies, television, and U.S. presidents; downloadable image file containing artwork; downloadable multimedia file containing artwork relating to clothing, shirts, pop culture, movies, television, and U.S. presidents, authenticated by non-fungible tokens on a blockchain; downloadable multimedia file containing artwork featuring clothing, shirts, pop culture, movies, television, and U.S. presidents, authe...