1) Protein folding, general scientific computing. Though of course there needs to be some coordinate way to agree on what problems to solve. This may require a

1) Protein folding, general scientific computing. Though of course there needs to be some coordinate way to agree on what problems to solve. This may require a central authority who would dictate what problems are worth how much, or maybe this would just then branch off into many different cryptocurrencies, each focused around a particular problem, with automated conversion between them so it all looks the same. Who knows!