Sure you can do that right now. But my point was more: physical objects can be traded easily in the far future. We can hardly rebuild stuff from source after 2

Sure you can do that right now. But my point was more: physical objects can be traded easily in the far future. We can hardly rebuild stuff from source after 20years time, so I'm pretty sure you will not be able to revive long dead blockchains as easy as renting a space to trade physical objects of collectible value.