Polymarket Says No Mandatory KYC. Here’s What the Feud With Kalshi Is Actually About.

Polymarket is not adding mandatory KYC to its main platform. A report said it was. Here is what actually happened — and why the question is being asked at all.

On May 27, The Information reported that Polymarket was weighing mandatory identity verification after geoblocking 35 countries. Within hours, Polymarket developer Josh Stevens posted on X to correct the record. "No KYC is being added to any part of existing polymarket.com with this launch," he wrote. He added separately that once the product in question leaves beta, KYC will not be required there either.

The product in question is Polymarket Perps — the platform’s new perpetual futures feature, which entered beta on May 28 for select users. KYC applies only to this beta product, not to the existing prediction market platform that runs on USDC and Polygon and has historically required no identity verification at all.

The distinction matters. The core Polymarket platform remains permissionless. The KYC question was always about a new product in testing, not a policy shift on the platform millions of users already trade on.

Why This Story Exists

The Information’s report didn’t come from nowhere. Polymarket geoblocked 35 jurisdictions in the months leading up to this story, including Russia, Iran, North Korea, the United States, the United Kingdom, France, Germany, and the Netherlands. In some countries — Poland, Singapore, Thailand, Taiwan — users are limited to close-only positions. The pressure to restrict access has been building from multiple directions at once.

The most specific pressure point: a federal indictment filed on April 24, 2026 alleged that US Army Master Sergeant Gannon Ken Van Dyke used classified information about Operation Absolute Resolve — the military operation that captured Venezuelan President Nicolás Maduro — to win more than $409,000 on Polymarket. A separate New York Times investigation found more than 80 Polymarket accounts with suspicious trading patterns ahead of unannounced US and Israeli military operations against Iran. Both were cited by the House Oversight Committee in letters sent to Polymarket and Kalshi last Friday, demanding account and trading records by June 5.

This is the environment in which The Information’s KYC story ran. The question of whether Polymarket would introduce identity verification is not an unreasonable one given those facts. The answer, at least for now, is no — not on the main platform.

The Kalshi Angle

Kalshi’s response to the KYC story was not subtle. Company leaders used the moment to highlight what they see as Polymarket’s compliance gaps — specifically the permissionless structure that allowed sanctioned-country users to trade via VPNs and proxies before the geoblock was put in place.

Polymarket’s counter was equally pointed: Kalshi expanded to more than 140 countries in October 2025, and the House Oversight Committee’s letter to Kalshi raised its own line of questioning about what regulatory grey area that global rollout created. The committee asked whether Kalshi’s compliance infrastructure scaled with its geography.

This is not the first time the two platforms have clashed publicly. Since Kalshi won its CFTC legal battle in 2024 and Polymarket launched a US product in response, they have been in direct competition for the same pool of traders — and they hold fundamentally different views of what a prediction market should be.

Kalshi is a CFTC-designated contract market, subject to the same regulatory obligations as any other US derivatives exchange: surveillance, KYC, reporting, and geographic compliance. Polymarket’s structure is more layered than the headlines suggest. It operates two separate products: Polymarket US, a CFTC-registered entity that does require identity verification, and the global platform at polymarket.com, which remains permissionless and crypto-native. The KYC debate is specifically about whether the global platform would adopt the same verification standards as the US entity. For now, it won’t. The feud over KYC is, at its core, a feud over which model — regulated exchange or permissionless protocol — becomes the default for prediction markets globally.

The Regulatory Picture Is Getting More Complex

The KYC story is one thread in a larger regulatory tightening that has accelerated sharply in 2026. Spain became the fifth country this year to block one or both platforms, citing a lack of gambling authorisation, age verification, and self-exclusion mechanisms. India blocked Polymarket in May and has prepared a blocking order for Kalshi. Brazil blocked 27 prediction market platforms in April.

Polymarket is currently valued at approximately $15 billion. Kalshi is valued at approximately $22 billion. Both are growing, both are under scrutiny, and both are navigating a regulatory environment that has not yet decided whether prediction markets are derivatives, gambling products, or something new that existing frameworks don’t cleanly cover.

For traders currently active on either platform, the practical implications of this week’s story are limited. The main Polymarket platform is unchanged. The Perps beta is a new product for a new audience. The House Oversight letters are a document request, not an enforcement action.

What the week does clarify is the shape of the pressure. The KYC question is not going away. Each new insider trading allegation, each new country block, each new congressional letter makes the permissionless model harder to defend publicly — even if Polymarket continues to defend it. Traders should treat the current “no mandatory KYC” position as accurate today, not necessarily permanent. The regulatory calendar through the rest of 2026 — the House Oversight deadline, ongoing country-level enforcement, and the Perps beta rollout — will each create new moments where the question gets asked again.

Track live US politics prediction market prices and crypto market prices across Kalshi and Polymarket on Predictions.io.

The Short Version

Polymarket is not adding mandatory KYC to its main platform. The Information reported on May 27 that Polymarket was weighing identity checks. Polymarket developer Josh Stevens clarified the same day: KYC applies only to the Perps beta product launching May 28, not to the existing polymarket.com platform. Kalshi used the moment to highlight Polymarket’s compliance gaps. Polymarket pointed back at Kalshi’s own unresolved questions following its October 2025 global expansion. The broader context: a federal indictment alleged a US Army sergeant used classified information to win $409,000 on Polymarket; 80+ accounts showed suspicious trading patterns before Israel-Iran military operations; the House Oversight Committee has requested records from both platforms by June 5; Spain, India, and Brazil have all moved to block one or both platforms in 2026. The main Polymarket platform is unchanged. The regulatory pressure is not.

Track live prediction market prices across Kalshi and Polymarket at predictions.io/news.

Last updated: May 28, 2026. Sources: crypto.news, ID Tech Wire, House Oversight Committee letters (Chairman Comer, May 2026), Josh Stevens (@devjoshstevens) on X, The Information (May 27, 2026).