Here is a few more QR codes you could use, problem is getting correct contrast of colors and backgrounds so they still read well. Have been trying with the Dopecoin coin logo from the OP as a background but is just way to many colors and textures in it for my phone to read it looks cool though.


MJ Leaf





Dopecoin Logo Green Solid Background





Dopecoin Logo Black Transparent Background






Black Dopecoin Background (This wont read on my phone but maybe someone can fix it)