This is an idiotic idea.

It's easy to make coins impossible to hack. Especially when you're a hacker who just needs to self-custody and doesn't need to run an online service.

In meatspace letters of marque and reprisal can work because there's always a bigger gun they has a chance of defeating a pirate. In mathspace, anyone can create mathematical defenses that are just as secure as what the world's most powerful militaries use.