Think of trust proxies or an external dependant factor like geographies An example A paid Meetup group or a dating app for within a city. These work better at s

Think of trust proxies or an external dependant factor like geographies An example A paid Meetup group or a dating app for within a city. These work better at smaller scale than large. The opportunity is where someone or something causes a change in the underlying restriction such that an infrastructure can be built at scale. So the answer to your question depends on time and tech