>3. Agree. There are a lot of databases that should exist, but the economic incentives of individual participants in a system means nobody wants to pay for it.

>3. Agree. There are a lot of databases that should exist, but the economic incentives of individual participants in a system means nobody wants to pay for it. Blockchains might present a way to make an end to end distributed database with no single owner, but where commercial interest still exists. (E.g. not open source)