The Korea Media and Communications Standards Commission has ordered domestic internet service providers to block access to Polymarket, an overseas prediction market platform, after determining that the service promotes gambling. The commission’s telecommunications review subcommittee made the decision at a meeting Tuesday, concluding that Polymarket contains information intended to facilitate gambling or establish a place for gambling under the Criminal Act. It also found that the platform provides information intended to facilitate activities similar to sports betting under the National Sports Promotion Act. The regulator said Polymarket’s winner-take-all structure encourages gambling behavior because users can face sharply divergent financial gains or losses depending on outcomes beyond their control. Polymarket allows users to trade contracts tied to events including politics, the economy, international relations, sports, elections and weather. The commission cited markets involving domestic issues, including a contract on Seoul’s rainfall in August, as evidence that the platfo