Is There a Boundary to Space?

If space was not like continuous and infinite, what if it had a boundary? So maybe the laws of physics would be different at the edge. We don't actually know. Another possible way that it could not be true is lak,. If space is not continue s, if it's like picalized, or like a crystal, then it might not have a continuous symmetry. Tf quantum thanit. For so the theory still works no matter what. What's happening with space time. Although if it's not true that space is the same everywhere, then the theory doesn't hold.