Crypto Prediction Market Ban
South Korea Blocks Polymarket, Deeming Crypto Prediction Platform Illegal Gambling
Key Points
Regulators linked Polymarket to illegal gambling under Korea's Criminal Act and potentially to opening a gambling venue under the National Sports Promotion Act, noting that the platform's functions — market creation, rule setting, and crypto deposits/withdrawals/settlements — and its trading fees enable an operator to earn economic benefits.
Authorities emphasized that Polymarket operates as an operator-led platform, controlling market creation and trading rules and providing the settlement infrastructure, which creates an environment where user funds flow through the system and the operator earns fees.
Polymarket argued it runs without a central operator via non-custodial peer-to-peer transactions and smart contracts, and pointed to the removal of Korean-language service and Korean won payments, claiming it should not fall under the IT network utilization act or related gambling laws.
The case fits a broader regional trend of restricting access to prediction markets, with France, Australia, and Germany cited as examples, and ongoing regulatory clampdowns in Asia.
South Korea has blocked domestic access to Polymarket, the world's largest crypto-based prediction market, after regulators ruled it creates an illegal gambling environment for local users. CoinTelegraph reported that the Korea Communications Standards Commission (KCSC) voted to impose the ban, finding that the platform's mechanics violate the country's Criminal Act.
The KCSC found that Polymarket's winner-takes-all structure — where gains and losses depend on events outside user control — encourages speculative gambling. The ruling puts South Korea alongside France, Australia, and Germany as countries that have restricted access to the platform.
Why Regulators Called Polymarket an Illegal Gambling Site
South Korean regulators zeroed in on how Polymarket is structured. According to CoinGape, the KCSC found that the platform controls market creation, sets trading rules, and manages crypto deposit, withdrawal, and settlement systems. That setup, regulators argued, lets an operator collect fees and profit directly from user activity.
The National Police Agency and gambling oversight bodies both weighed in. They agreed that Polymarket may constitute gambling offenses or the opening of a gambling venue under the National Sports Promotion Act. Regulators said domestic law applies regardless of how the platform is designed.
Polymarket Pushed Back, But Regulators Disagreed
Polymarket argued it should not fall under Korean gambling law. The company said it runs without a central operator, using smart contracts and non-custodial peer-to-peer transactions. Head Topics reported that Polymarket also pointed to the removal of Korean-language service and Korean won payments as evidence it had stepped back from the local market.
Regulators were not convinced. They maintained that removing local-language support does not change how the platform functions. As long as Korean users can access it and funds flow through the system, domestic law still applies, officials said.
South Korea Joins a Global Wave of Prediction Market Bans
South Korea's move fits a wider pattern. BigGo Finance noted that France, Australia, and Germany have already blocked or restricted Polymarket, and regulatory pressure across Asia has been building. The platform rose to global prominence during the 2024 US presidential election, drawing millions of users and billions in trading volume.
Prediction markets let users bet real money on outcomes — from election results to sports scores. Critics say that makes them gambling by another name. Supporters argue they produce accurate forecasts by tapping crowd wisdom. That debate is now playing out in courtrooms and regulatory offices worldwide.
What the Block Means for Crypto Prediction Markets
The KCSC ban means South Korean internet service providers must block access to Polymarket. CoinTelegraph reported that the commission's subcommittees reviewed the platform's crypto-based mechanics in detail before reaching their conclusion. The ruling sets a precedent for how Korean law treats decentralized financial platforms.
The case raises a key question for the broader crypto industry: can a platform avoid regulation by removing a central operator and using smart contracts? South Korea's answer is no. If users can access it and money changes hands, regulators say they have the authority to act.
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