A man who lost over $308,000 making sports wagers on Kalshi is suing the prediction market for violating the state of Washington’s ban on online gambling. He’s trying to turn those losses into an overall victory with a lawsuit seeking a payment of over $580,000. Bellevue, Washington, resident Scott Bright’s “wagering occurred at a time when it was unlawful in Washington and when the Washington Attorney General had already sued KalshiEX LLC in this Court al