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> I have yet to come across any problems that are solved better with a blockchain than with any other traditional technology - except for the original one, a distributed electronic currency.

On my case, I can see another one (for now): Namecoin, which is a decentralised DNS. I can't see any other way to build it apart from a blockchain, it's difficult to create a spam-resistant trustless key/value store without that.

I like to think of it as protocols being better “middlemen,” when they’re up for the job, compared to a company. Wrote about it here: https://medium.com/openbundle/when-protocols-replace-compani...

I'm sure there were a few use cases for blockchains where I thought "hmm, clever", so I believe the number is definitely higher than one.

The thing is - there were just a few of them, and none spectacular enough for me to remind myself about what it was right now.