Ethereum witnessed several major on-chain developments on August 7, 2026, ranging from new security hiring at the Ethereum Foundation (EF) to significant whale activity and suspicious fund movements. The Foundation announced fresh engineering roles focused on strengthening protocol security, while blockchain trackers monitored millions of dollars moving through Tornado Cash. At the same time, large ETH holders continued making notable transactions, keeping investors focused on both network security and market sentiment. Ethereum Foundation Expands Security Team The Ethereum Foundation has