Ethereum co-founder Vitalik Buterin has revealed a successful contrarian strategy in prediction markets, earning $70,000 by betting against popular but unlikely outcomes. In an interview, Buterin disclosed that he invested $440,000 in contracts on Polymarket, targeting "crazy and irrational predictions" that gained traction despite low probabilities. His approach yielded a 16% return, highlighting the potential to exploit market inefficiencies driven by hype and emotional bias. Buterin's strategy capitalizes on the tendency of prediction markets to overprice emotionally charged outcomes, such as improbable political events or speculative scenarios. This pattern, fueled by narrative bias, allows disciplined traders to profit by betting against the crowd. Other traders, like former poker player Domer, have also found success with similar tactics, underscoring the persistent irrationality in these markets.