Key Points
- On August 18, South Korea’s Broadcasting, Media and Communications Review Committee officially voted to restrict Polymarket access
- Authorities determined the platform’s all-or-nothing payout structure promotes speculative gambling activities
- Platform operators contended their peer-to-peer, non-custodial framework exempts them from gambling regulations
- South Korean officials dismissed this argument, stating decentralized technology doesn’t provide legal immunity
- More than 30 countries worldwide have now imposed restrictions on Polymarket
South Korean authorities have mandated the blocking of Polymarket, a cryptocurrency-based prediction market platform, asserting the service breaches the nation’s Criminal Act and National Sports Promotion Act.
On August 18, the Broadcasting, Media and Communications Review Committee formally approved a request to restrict domestic access to the platform. Officials determined that certain platform features align with legal definitions related to facilitating gambling activities and establishing gambling establishments.
The platform enables participants to purchase and sell binary outcome contracts linked to actual events spanning political elections, athletic competitions, macroeconomic indicators, and meteorological forecasts.
According to the regulatory body, the winner-takes-all payout mechanism creates scenarios where users experience substantial financial windfalls or significant losses based on circumstances beyond their influence. Officials characterized this framework as promoting gambling-like speculative conduct.
Regulatory Review Process
Committee members analyzed Polymarket’s market creation procedures, trading protocols, cryptocurrency deposit and withdrawal mechanisms, and transaction settlement processes. Officials also scrutinized revenue generated through trading fees, which they argued provides financial benefits to platform operators.
Authorities specifically referenced a prediction market concerning precipitation levels in Seoul during August as demonstrative evidence that the platform actively caters to South Korean participants.
During regulatory proceedings, Polymarket representatives contended that the platform’s peer-to-peer architecture and smart contract implementation mean the company doesn’t function as a betting organizer.
The organization further asserted it neither holds nor administers user capital directly and doesn’t distribute sports wagering tickets. Company officials maintained these operational characteristics place the service beyond the scope of applicable South Korean statutes.
Regulators unanimously rejected these contentions. Officials determined that irrespective of underlying technology, Polymarket maintains control over market establishment and trading parameters while supplying the technical infrastructure enabling cryptocurrency transactions.
International Regulatory Pattern Emerges
The committee emphasized that neither the lack of Korean language support nor deployment of blockchain technology could justify circumventing South Korean legal obligations. Regulators highlighted that domestic users maintain access to markets through cryptocurrency channels.
Prior to the August 18 decision, the committee consulted with the National Police Agency, National Gambling Control Commission, and Korea Sports Promotion Foundation. All three organizations concluded that Polymarket’s operational model potentially falls under gambling-related legal provisions.
South Korea now joins an expanding coalition of over 30 nations that have implemented Polymarket restrictions. This group encompasses France, India, Spain, Argentina, Indonesia, Ukraine, Czech Republic, Australia, and Germany.
Indian authorities blocked platform access in May after categorizing prediction markets as prohibited money gaming operations. The Czech Republic implemented similar measures in July, treating Polymarket as an unlicensed gambling provider.
French regulators blocked the platform on July 16, expressing concerns regarding substantial user financial losses and potential bet manipulation vulnerabilities.
In a separate enforcement action, South Korean law enforcement launched a criminal probe into domestic Polymarket users in late May concerning suspected illegal gambling activities involving election prediction markets.
Polymarket’s official documentation currently identifies 39 nations with comprehensive access restrictions. As of the August 18 ruling, South Korea had not yet appeared on this published list.
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