3/ Ethereum completed the Fusaka hard fork, deploying Peer Data Availability Sampling (PeerDAS). The upgrade significantly cuts Layer-2 (L2) transaction fees (estimated 40%-60% reduction) and enables the L2 ecosystem to target 100,000+ TPS. $ETH
2/ Prediction market Kalshi enters the mainstream through its partnership with CNBC to integrate real-time prediction market data into financial news. This marks the highest-profile legitimization of event contracts as an alternative, mainstream financial forecasting tool. $BTC