‘Mr. Wonderful’ Kevin O’Leary Warns Crypto Investors About Ethereum’s Scalability Issues After Transaction Fees Spike To Nine-Month Highs
Posted On October 17, 2025
Renowned investor and “Shark Tank” personality Kevin O’Leary raised an alarm Thursday about Ethereum’s (CRYPTO: ETH) network congestion and fee spike over the weekend.
Ethereum’s ‘Cracks Are Showing’
In an X post, O’Leary highlighted that Ethereum became severely congested, causing even small transactions to cost upwards of $1,000. He likened this to “paying a thousand-dollar toll to drive on a one-lane highway.”
O’Leary, also known as “Mr Wonderful,” added that innovation isn’t just about hype, but about building infrastructure that can handle scale.
“For over a decade, we’ve talked about going on-chain, and now with real-world adoption finally happening, the cracks are showing,” he rued
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