Polymarket, a decentralized prediction market platform, has recently faced controversy over its rule-based system, particularly in markets like Venezuela's leadership prediction. Traders betting on Delcy Rodriguez as Venezuela's leader at the end of 2026 were caught off guard by Polymarket's strict adherence to rules, which state that only officially appointed and sworn-in leaders are recognized. Despite Nicolas Maduro's imprisonment in the U.S., he remains the official president according to UN-recognized government information, highlighting the importance of understanding Polymarket's rules over intuitive assumptions. Polymarket's dispute resolution mechanism involves a comprehensive adjudication process, including a proposal submission, a 2-hour dispute window, a 48-hour discussion period, and a voting phase by UMA token holders. This process, while similar to traditional court systems, differs in that UMA token holders can have a financial stake in the outcomes they arbitrate, leading to potential conflicts of interest. The lack of transparency in ruling outcomes and the absence of a precedent system further complicate the resolution process, emphasizing the need for traders to deeply understand the platform's rules to navigate its markets effectively.