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Blockchain The Defiant

Two Prediction Markets Shut Down Hours Apart as Kalshi and Polymarket Take 93% of Volume

Two crypto prediction market startups announced they were winding down within 90 minutes of each other on Monday morning, both giving users until Sept. 30 to pull their money out. The venues that closed sat at opposite e...

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Older archive item. Useful for background and entity history, but not a fresh market-moving signal.

Two Prediction Markets Shut Down Hours Apart as Kalshi and Polymarket Take 93% of Volume
Two crypto prediction market startups announced they were winding down within 90 minutes of each other on Monday morning, both giving users until Sept. 30 to pull their money out. The venues that closed sat at opposite ends of the market. Trepa built its own mechanism on Solana, paying users by how... Read the full story at The Defiant

Why this matters

Kalshi is showing up inside the Prediction Markets theme, so this story is worth tracking for follow-through rather than treating it as a one-off headline.

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