Both Bitcoin and Ethereum are quite amazing. Whether they are the "end game" for their technologies has yet to be seen. But we are only beginning to see the app

Both Bitcoin and Ethereum are quite amazing. Whether they are the "end game" for their technologies has yet to be seen. But we are only beginning to see the applications of this technology. Bitcoin was more or less the first to practically solve the double spend problem, but depends on independent mining to make that work. I suppose if a blockchain were secured - that is the nodes were all trusted and there was no way for a third party to interject into the blockchain - it could be very useful for solving conflict of interest problems. I believe it is being used for situations similar to "letters of credit" already, and that's a good application scenario. I haven't been involved with any non-bitcoin blockchain implementations, so I'm not familiar with the specific issues companies face. But I know both Microsoft and IBM have blockchains-as-a-service and I imagine somebody is working on it. I'd love to hear of their experience.