[EdHominem]

If this was currently being developed in the UK, my money would be on illegal.

Thankfully it's a well-known concept now, and a foreign-invented technology you need to interoperate with the rest of the world.

Nothing stops them from throwing the law at you though, even if they know if won't work. You literally can't be punished as a prosecutor for anything less than deliberately throwing the trial for money. If they feel they won't win they'll intentionally ruin your life anyways.