There is no project on the crypto space to address this unforeseen challenges.
Deliberations and ideas are welcome on how the group of personal can be integrated in the system.
As there is no project to address this unforseen changes as youve said, there is also no guarantee that cryptocurency will be a global currency so they are still free and besides, there is nothing impossible. If there is a desire, there is a way. They may not be educated like the rest but sure when needs arise, there will be nothing too hard to adapt and learn. Just like how we first learned the ABCs of everything we are now enjoying.