The opportunities to borrow cryptocurrencies without collateral are nonexistent and this requires a bank license either way. I don't see the innovation. If you

The opportunities to borrow cryptocurrencies without collateral are nonexistent and this requires a bank license either way. I don't see the innovation. If you want to look at the past of money, there is the Chiemgauer which is the most successful complementary currency in Germany and even that one only did 7 million € worth of actual consumer/business transactions in 2015 (there are no updated statistics but it is ongoing and growing). People keep using the national currency because it reduces transaction costs.