币界网报道：Polymarket, a decentralized prediction market platform, saw a surge in activity with $18.89 million wagered on bets related to the Federal Reserve's interest rate decision. The platform experienced a 250% increase in trading volume as traders speculated on whether the Fed would maintain or adjust rates. Polymarket allows users to bet on real-world events using cryptocurrency, with outcomes determined by smart contracts. The heightened interest reflects growing engagement in crypto-based prediction markets amid major economic announcements. The platform's liquidity and user participation spiked significantly during the Fed's policy window, demonstrating how decentralized finance tools are increasingly being used to hedge or speculate on macroeconomic events. Polymarket's transparent, blockchain-based system provides an alternative to traditional prediction markets by enabling global participation without intermediaries. The surge in activity underscores how crypto-native platforms are capturing attention during high-stakes financial events, offering real-time sentiment indicators beyond conventional markets.