Social Scalability: The Most Important Idea In Cryptocurrency? | HackerNoon

70,000 years ago, there were between 6–10 species of the genus <em>Homo</em>. Now, of course, there is just one: <em>Homo sapiens</em>. Why did <em>Homo sapiens</em> prevail over the other species like <em>Homo neanderthalensis</em>?

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