There aren't any. "Decentralized" is just an in-group smurf word with no legitimate technical meaning, and which is not in any way a meaningful goal.

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> It's only a matter of time before decentralized rails become the primary form of wealth transfer on the internet

We're 14 years in and it hasn't gotten anywhere close

You keep holding your breath, though. (You'll have to, with all the pollution being created.)

Note: "wealth transfer" is just a fancy way to say "online casino."