Hi Egor, we rely on team members telling the truth about where they live and when they move. In SF we sometimes meet up so that would be slightly harder to pull off. But all of our physical get togethers are optional so you can probably keep this going for a while.
We had one person before that didn't have a base. He was registered in Estonia as a digital citizen and company. We opted to use that. But we'll look at this on a case by case basis.