[Kalshi Completes $300 Million Financing at a $5 Billion Valuation] BlockBeats News, October 10, according to The New York Times, prediction market platform Kalshi has completed $300 million in financing at a $5 billion valuation. The company also plans to announce that it will begin allowing customers from over 140 countries to place bets on its website. Investors include Sequoia Capital, a16z, Paradigm, CapitalG, and Coinbase Ventures.