Well, if your theories are correct, Agoras (Agorae?) would at least have a purpose that adds to their utility as a store of value, making them more useful than many cryptocurrencies.
Legality is an amorphous concept in an international market. Where I live some things are legal at one jurisdictional level, and illegal on another, and there are additional jurisdictional levels. Various jurisdictions have different laws.
TBQH, it is an impossible mess, and, for a company, or NGO, or church, with, either no brick and mortar edifice, or one on the high seas, or some other completely unanticipated jurisdictional circumstance, the questions become not only theoretical, but utterly illusory.
I suspect that, in terms of business prospects, it is reputation that will eventually come to matter more than legality.
Ethics know no geopolitical boundaries. The golden rule applies wherever you are, or aren't.
Security, however, is the peg on which any endeavor must depend, as it matters little whether a criminally insane monarch seizes your wares in an operation completely legal per the law of the land, or completely sane, but evil, pirates loot your stores in utter disregard and contempt of any legal rationale whatsoever.
What really matters is if you can safely operate, and that means keeping your customers safe too. If AGRS do enable operational security, then it is difficult to overestimate their potential value.
But, you might be thinking, what about space pirates?
I, for one, hope you enjoy doing so. I do what I can to help you pass the time and enjoy the ride.
Thanks!