ソース:[1] Massachusetts Attorney General Alleges Prediction Market Kalshi Violating Gambling Laws (https://www.coindesk.com/policy/2025/09/12/ma ...)[2] As the meme craze fades, prediction markets become a new battlefield for DeFi players (https://vertexaisearch.cloud.google.com/groun ...)[3] Kalshi's Momentum Fuels Crypto.com's Fight Over Sports Markets - Front Office Sports (https://vertexaisearch.cloud.google.com/groun ...)