According to Ars Technica, Lawsuit demands Kalshi return losses because online betting is illegal in Washington.
Man who lost $308,000 on sports bets sues Kalshi for offering illegal gambling
Context
The report, filed in our Tech section, was first published by Ars Technica on Monday, November 9 and concerns Washington.
Background
Kalshi: Kalshi Inc. is a prediction market platform based in Manhattan, New York City, that launched in July 2021. The platform is used primarily for sports betting, which constitutes more than 90% of site activity and 89% of revenue in 2025.
Sources
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