Phantom brings Kalshi prediction markets to US users as legal fights mount

The Solana wallet now lets verified US users trade regulated event contracts in-app, while Kalshi battles states over whether its markets count as gambling Phantom, one of the most popular wallets on Solana , is putting prediction markets directly inside its app for US users. Through an integration with Kalshi, users can now trade event contracts on politics, sports, the economy and crypto without leaving the wallet. The integration was officially announced in December 2025. It puts Kalshi’s markets in front of a user base of approximately 20 million Phantom users.