>> but there's about 0 being put into production use

Daimler for example is currently using Blockchain to manage a 100 million Euro loan [1]. They will still use their old tech (faxes and lots of beaurocracy) in parallel on this deal since is there is much at stake, obviously. But it is a nice experiment that will certainly inspire others, if successful.

[1] https://www.daimler.com/investors/refinancing/blockchain.htm...