In Seoul, a user opens a police summons. The charge? Placing a bet on the U.S. presidential election via Polymarket. Half a world away, Baltimore’s city attorney files a lawsuit against the same platform, alleging it constitutes illegal sports betting. These are not isolated incidents. They are the opening salvos of a coordinated global regulatory assault on prediction markets. The question is not whether these platforms will survive, but whether the ideal of decentralized information markets can survive the weight of state power.
Prediction markets like Polymarket and Kalshi operate on a simple premise: users buy and sell shares in the outcome of future events—elections, sports games, economic indicators. If you predict correctly, you profit. The mechanics resemble a futures exchange, but the underlying asset is truth. Polymarket, built on blockchain and smart contracts, allows anyone to create and trade event contracts without permission. Kalshi, a U.S.-based platform, is regulated by the CFTC and operates a centralized order book. Both have grown rapidly, attracting millions of dollars in volume and a global user base.
But that growth has attracted regulators. Over the past year, more than 30 countries have restricted access to Polymarket, including France, Australia, Germany, and now South Korea. The Korean Communications Standards Commission blocked the platform after its police initiated investigations into local users. Meanwhile, in the United States, the city of Baltimore filed a lawsuit against both Polymarket and Kalshi, claiming they constitute illegal gambling. The suit argues that event contracts are essentially sports betting, even if they cover political or economic events. This is a significant escalation because it targets the very definition of the product.
The Core of the Problem: Design Flaws in the Machine
The oracle is the weakest link in any prediction market, and it is also the most vulnerable to regulatory attack. When I audited early DeFi governance proposals, I saw how easily a single oracle could be manipulated. The same principle applies here. Polymarket relies on a decentralized oracle network called UMA for outcome determination, but the process is far from trustless. The system uses a dispute mechanism where token holders can challenge outcomes, but this creates a game-theoretic vulnerability. If a large enough stake is placed on a false outcome, the system can be gamed. The French regulator explicitly warned of “betting manipulation risks,” which is a euphemism for oracle attacks.
The deeper issue is that the platform’s technical architecture is not designed to handle the legal complexity of its use cases. When South Korea demanded a block, Polymarket responded by removing the Korean language interface and disabling Korean won payments. This is a classic “technical compliance” move—a band-aid on a bullet wound. The Korean regulator rightly rejected this, stating that the platform’s structure “encourages gambling behavior” and that mere language removal does not exempt it from local law. This is a lesson for every crypto project that thinks code can bypass jurisdiction. Decentralization must include legal adaptability, not just technical resilience.
The moral hazard of centralized outcome determination is even more troubling. In a traditional prediction market, the truth is supposed to be objective. But who decides the truth? In Polymarket, the outcome is determined by a DAO vote or a designated oracle. In Kalshi, it is determined by a centralized committee. This is not an information market; it is a reputation market. The platform’s success depends on the perceived honesty of its outcome setters. If those setters can be bought or pressured, the entire system collapses. I saw this during the 2022 bear market, when I audited failed projects that relied on centralized oracles. The same pattern emerges here: a single point of failure disguised as a market.
The Human Cost: User Liability as a New Frontier
South Korea’s decision to investigate individual users changes the game entirely. It is one thing to block a platform; it is another to go after the users. This creates a chilling effect that no technical solution can overcome. When I was translating MakerDAO governance proposals in 2020, I realized that the community’s strength came from the lack of personal liability. People could participate in governance without fear of legal repercussions. In prediction markets, that is no longer true. The risk has shifted from the platform to the individual. This is a liquidity crisis in the making. Users will think twice before placing a bet, and the network effect that drives liquidity will break down.
Baltimore’s lawsuit adds another layer. By targeting both Polymarket and Kalshi, the city is arguing that prediction markets are inherently gambling, regardless of their regulatory status. Kalshi, which pays for CFTC oversight, is being sued by a state actor. This highlights a fundamental flaw in the regulatory approach: it is not about compliance; it is about the nature of the product. The state is asserting that any market where the outcome is uncertain and the reward is monetary is gambling, pure and simple. This is a values-based argument, not a technical one. As a values-first analyst, I see this as a clash between two worldviews: the libertarian ideal of information markets versus the government’s desire to control risk and morality.
Contrarian Angle: The Crackdown Is a Sign of Success
There is a contrarian view that the regulatory assault is actually a testament to the power of prediction markets. These platforms are threatening traditional information monopolies—media, polling, gambling—and the state is fighting back. In the 2017 ICO boom, I wrote an essay arguing that decentralization matters more than price. I still believe that. The fact that dozens of governments are coordinating to shut down Polymarket suggests that it is working. The market is producing accurate predictions on elections and events, which undermines established narratives. The Baltimore lawsuit even mentions that the platform’s election bets are “undermining public confidence in democratic processes.” This is a backhanded compliment.
But the real contrarian insight is that the current platforms are not decentralized enough to deserve the protection of the blockchain ethos. They are centralized platforms that happen to use blockchain for settlement. The real solution is not to lobby for licenses or to add more language removals. It is to build truly decentralized prediction markets where the outcome determination is itself a decentralized process, using multiple oracles, dispute resolution, and community governance. The problem is not that prediction markets are illegal; it is that they are not yet robust enough to withstand legal scrutiny. The market is slicing itself into fragments, much like the Layer2 space I often criticize. Instead of scaling liquidity, it is scaling regulatory risk.
The Takeaway: A Vision for Resilient Information Markets
The future of prediction markets depends on whether they can evolve from centralized betting platforms to truly decentralized information markets. This means building systems where the outcome determination is transparent, auditable, and resistant to manipulation. It means designing mechanisms that allow users to participate without becoming targets of state enforcement. And it means embracing the values that drove the creation of blockchain: trustlessness, transparency, and human agency. If prediction markets can become forums for collective truth discovery rather than just gambling venues, they will survive. If not, they will be regulated out of existence. Based on my experience translating complex DeFi protocols into human stories, I know that the best technology is the one that aligns with human dignity. The same must hold for prediction markets. The question is not whether the state will allow them, but whether we can build them in a way that the state cannot abuse.
About Us: This article is part of our ongoing series analyzing the intersection of decentralized technology and human values. We believe that the true measure of a protocol is not its market cap, but its ability to empower individuals without compromising their dignity.