Kalshi is encroaching on Polymarket's territory. Photo by Maël Balland via Pexels. Key Takeaways Kalshi has launched tokenized event contracts on Solana. The pivot to on-chain trading challenges Polymarket on its own turf. Jupiter is the first DEX to integrate the new tokens. Kalshi has launched tokenized prediction contracts on Solana, marking its entry into a field that Polymarket currently dominates. While Kalshi is the older platform, Polymarket’s on-chain platform helped really popularize the ...