DeFi Security Concerns - Balancer experienced an exploit, potentially impacting other protocols [1] - CBB highlights concerns about xUSD being used as collateral on Euler and Morpho [1] - The report suggests caution regarding DeFi composability ("套娃") due to cascading risks [1] Stablecoin Safety - The community questions the safety of stablecoins ("U 卫兵") backed by yield-bearing assets [1]