In rubiks cube competitions like the world championships or any competition can you use you own cube.?

Question

I notice that in the world championships for rubiks cubes that nobody has cubes with white backgrounds they are all black backgrounds and my cube has a white bacground

Answer 1

by what i know.. you can use your own cube.. but it has to follow a lot of the regulations..

Answer 2

Yes You Can!! I used a white background in comp and it was fine