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<h2>Ethereum co-founder Vitalik Buterin has earned roughly $70,000 on Polymarket according to <a href="https://finance.yahoo.com/news/ethereum-founder-vitalik-buterin-made-175411322.html" target="_blank" rel="noopener">Yahoo Finance</a>. He&#x27;s betting against extreme market sentiment. He revealed this in a recent interview.</h2>
His contrarian strategy targets &quot;crazy mode&quot; contracts. These are prediction markets pricing in unlikely scenarios. Think Donald Trump winning a Nobel Peace Prize. Or the U.S. dollar collapsing to zero within a year.
In 2025, Buterin netted about a 16% return. He staked $440,000. He took the opposite side of outlandish bets.
&quot;Betting against extreme sentiment usually makes money,&quot; Buterin claimed. He seeks out markets distorted by panic or hype. His assumption? Crazy things won&#x27;t happen. He profits when cooler heads prevail.
Loxley Fernandes is CEO of prediction market platform Myriad. He characterized Buterin&#x27;s gains as an &quot;honest endorsement of the sector.&quot; Emotional extremes push prices away from reality. Rational traders profit. They also correct mispricings. That&#x27;s the core function of prediction markets: separating signal from noise.
Buterin used the interview to spotlight a critical weakness. Oracles aren&#x27;t secure enough.
He cited a Polymarket contract. The question: whether Russian forces controlled the Ukrainian city of Myrnohrad. The oracle relied on battlefield maps published by the Institute for the Study of War on X.
Hackers briefly compromised the organization&#x27;s account. They posted falsified maps. The fake maps showed Russian control of the train station. The incident nearly triggered payouts exceeding 33,000%. Trading volume sat at roughly $1.3 million. The error was caught just in time.
Buterin argued current oracles have &quot;far too low security.&quot; Information sources never anticipated this scenario. A single social media post nearly determined ownership of around $1 million on-chain.
He proposed two potential fixes. First: centralized data feeds from trusted providers like Bloomberg. Second: decentralized token-based voting systems such as UMA.
The oracle vulnerability carries implications beyond prediction markets. Nearly every <a href="https://www.thecoinzone.com/defi/defi-yield-protocol/" data-wpil-monitor-id="416">DeFi protocol</a> depends on reliable external data. Real-world asset applications do too. They can&#x27;t function properly without it.
Improving oracle robustness is essential for broader blockchain adoption. Platforms are handling larger sums. They&#x27;re dealing with more consequential real-world events.
Buterin&#x27;s playing a dual role. He&#x27;s profiting from market inefficiencies. He&#x27;s also publicly diagnosing infrastructure weaknesses. That underscores both the opportunities and risks. Decentralized prediction platforms are maturing. The stakes are getting real.

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Vitalik Outsmarts the Market: $70K Profit Betting Against Crypto Vibes

Ethereum founder Vitalik Buterin made $70K on Polymarket betting against extreme crypto sentiment. Learn his contrarian strategy and oracle security concerns.