Ekubo Protocol lost about $1.4 million in wrapped bitcoin after attackers exploited an access-control weakness linked to approvals. The incident highlights how authorization paths, token approvals and routing permissions can become critical DeFi attack surfaces even when core market infrastructure remains intact.
Volo Protocol, a liquid staking and BTCFi platform on the Sui blockchain, confirmed a $3.5 million security exploit this week, tied to a compromised vault admin private key. Key Takeaways: Volo Protocol lost $3.5 million from three Sui-based vaults on April 21, 2026, following a compromised admin private key.
USDD has introduced a new WBTC Vault system designed to provide Bitcoin holders with enhanced liquidity options while retaining their underlying asset exposure. This development responds to growing demand for sustainable yield mechanisms as market participants navigate fluctuating returns and continued price uncertainty.