The bad thing of traveling those days is that by plane it requires kyc and the hell of airports, IMO opinion the best way is car or train(if without kyc). By car the problem is that you need to have one or rent, with some sort of kyc involved also. We need to separate transportation and state, as well as energy and state.
Discussion
Temos que criar um KYC não governamental que substitua isso. Mais ou menos como os cnpjs hoje.
Chave publica?
Acredito que sim. Vi por aí um login realizado com Lightning Network