Vitalik Buterin warned that without real decentralization, Ethereum and the broader crypto ecosystem will become a short-lived fad like many past generational trends

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According to Buterin, decentralization must grow from catchphrase to concrete user guarantees or risk becoming another hollow promise.
“If we lose that,” he concluded, “Ethereum inevitably just becomes a generational thing, and it inevitably passes like a lot of other things have passed before.”
However, he said that crypto should not follow that same path—something that just goes up in value and then fades.