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>how do you run a society without trust?

You distribute trust and power among actors in a way that is secure and relatively equitable (compared to current power structures). Enter bitcoin and other more versatile cryptocurrencies like Etherium.

Cryptos may form the foundations of a healthier globalism and a new era for the human race, in that we will be less bound to and reliant on government as a separate, opaque power structure. However, there is a long way to go regarding development and adoption, and, let's be real, the overwhelming majority of private citizens may never understand the function or power of cryptos, while government entities will see it as the power threat that it is and may legislate it away while the populace remains ignorant.