なるほど！それで急増したんですね！

Like stocks, if you can't/don't research then just index – it's a solid strategy and you'll capture plenty of the upside.

The reward scales with risk taken. Early adopters always have more risk, hence it makes sense they get more reward. Just look at all the ICO participants–high risk as many of them don't last, but if one becomes a major player then they get an outsized reward for that risk.

In Japan Bitcoin is accepted at some retail locations–notably 'Bic Camera' which is a nationwide electronics chain store

Would be interesting to see how that compares to the total number of public projects opened last year on GitHub that are still active. Is 8% normal attrition or not?

Developer meetup a few years ago