[CoinDesk] Kalshi ends Donald Trump Jr.’s advisory contract over 1789 Capital’s Polymarket investment
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Kalshi has terminated Donald Trump Jr.’s strategic adviser contract after 1789 Capital, the venture firm where he serves as a partner, invested in rival prediction market Polymarket. Trump Jr. had joined Kalshi in January 2025 to help broaden its customer base and bolster its market presence. The split underscores mounting competitive tensions in the prediction-market sector as Polymarket and Kalshi vie for dominance. Terms of 1789 Capital’s Polymarket investment were not disclosed in the article. Watch for further consolidation or partnership moves among prediction-market platforms as institutional capital flows into the sector.
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Named in this story
Donald Trump Jr., Kalshi, 1789 Capital, Polymarket