Mark Cuban Got 'Really Disappointed' by Ethereum: Here's Why the Second-Largest Crypto Failed to Live Up to the Former Shark's Hopes

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Mark Cuban once picked Ethereum as the cryptocurrency offering the highest upside potential. Today, the billionaire investor says he is deeply disappointed by how it has turned out.

Cuban's Frustration With Ethereum

In an Aug. 21 podcast with tech journalist Kara Swisher, Cuban weighed in on cryptocurrencies and a once-bullish narrative that didn't unfold as he had anticipated.

Cuban acknowledged that he was "excited" by Ethereum's smart contract functionality and believed it could have been put to better use in building new kinds of applications that supply data to other systems.

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Smart contracts are self-executing computer programs stored on a blockchain and run when preset conditions are met. They have been widely used to build decentralized finance applications.

"Like tracking the weather so I could buy weather insurance for a Mavs [Dallas Mavericks] game in case it snows, you know, that type of thing," the former Shark Tank star said. "But it never really came to fruition."

'The Biggest Downfall Of Crypto'

Cuban pointed out what he saw as a fundamental issue facing the industry—the problem of plenty.