So not truly offline, rather low bandwidth and indirect transmissions, and unencrypted, and Lightning, and custodial wallets. Sounds like worse in every way than just a centralized mobile based solution.
The reason Bitcoin and Lightning Network payments are spreading like wildfire within the content of Africa is a direct result of decades of abusive relationships and abject failure of the traditional banking system.
So... they're using Bitcoin with GSM access, since USSD is just a service-type on top of traditional GSM... which also requires the operators support those USSD messages?
