Zuckerberg aims to create a Polymarket replica without real currency involvement.

Mark Zuckerberg. | Image: Cath Virginia / The Verge; Getty Images Meta CEO Mark Zuckerberg has tasked a small team at the company with making an app that works like the prediction markets Polymarket and Kalshi, according to The New York Times. The app, internally called "Arena" won't let users wager

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