Prediction markets are experiencing explosive growth, surpassing $2 billion in weekly trading volume — and now Sam Altman’s digital identity project, World, is joining the action through a new integration with Polymarket.
World Integrates Polymarket Mini App
World, formerly known as Worldcoin, has taken a major step into decentralized finance by integrating the Polymarket Mini App into its platform. The World App — which combines a digital wallet with World’s decentralized identity tool, World ID — now allows users to access Polymarket directly within the app.
According to the announcement on Tuesday, users in eligible regions “can download and access the new Mini App today,” with Polymarket’s services remaining restricted in jurisdictions where approval is still pending.
Both platforms have faced regulatory hurdles, with Polymarket still awaiting full re-entry into the US market following approval from the Commodity Futures Trading Commission (CFTC).
World App Users Can Bet Using USDC and WLD
The Polymarket Mini App integration enables World App users to place bets on global prediction markets using USDC, the stablecoin issued by Circle, and WLD, the native token of World.
However, access to WLD remains limited. The company emphasized that token eligibility is “restricted by geography, age, and other factors,” and unavailable in regions such as New York.
“World Assets and the World Foundation are not responsible for the availability of WLD on third-party platforms, whether centralized or decentralized,” the statement added.
World’s Mini Apps Surpass 100 Million Downloads
The integration arrives shortly after World surpassed 100 million Mini App downloads, a milestone achieved in early October. This reflects growing engagement with the platform’s third-party ecosystem.
Launched in October 2024, World’s Mini Apps function as web applications built directly into World App. By March 2025, the platform hosted more than 150 Mini Apps, facilitating around 10 million WLD (worth roughly $8.8 million) in transactions.
As of July 2025, World reported 14 million verified human users and a total of 30 million users across 160 countries, reinforcing its position as one of the fastest-growing digital identity ecosystems globally.
Prediction Markets Reach New All-Time Highs
The partnership between World and Polymarket comes at a time when global prediction markets are breaking records. Data from Dune Analytics shows weekly volumes crossing $2 billion for the first time in mid-October 2025.
Polymarket dominates the space, accounting for over 52% of total trading activity, while competitor Kalshi follows closely with around $950 million, or 47% of the market share.
Institutional interest is also accelerating. On October 7, Polymarket received a $2 billion investment from the Intercontinental Exchange (ICE), the parent company of the New York Stock Exchange. Just days later, on October 10, Kalshi raised $300 million in a funding round led by Sequoia Capital and Andreessen Horowitz, announcing plans to expand into 100 new markets worldwide.
A Convergence of Identity and Prediction
By bringing Polymarket into its growing ecosystem, World is bridging the gap between digital identity and decentralized prediction markets — a move that could redefine how users interact with verified on-chain data and real-world forecasting.
As prediction markets continue to surge, World’s integration with Polymarket marks a pivotal moment where decentralized finance meets verifiable human identity — signaling a new era for both sectors.
