Comment by mikkel

World computer - Ethereum, NEO, EOS, Waves, many more

Banking the unbankable - Airfox, VVToken, likely others

More efficient advertisement - BAT, AdEx

Paying content creators - Steem

Distributed file storage - FileCoin, MaidSafe, Storj

Uncensorable internet - zencash

BTC gets all the press for first mover advantage, but is really the worst of the bunch.

This is not investment advice. It is quite exciting, however.