The post White Hat Hacker Returns $5.4 Million After Exploiting DeFi Protocol appeared first on Coinpedia Fintech News A white-hat hacker has returned $5.4 million worth of Ether to Curve Finance after exploiting the DeFi protocol. The exploit was caused by malfunctioning reentrancy locks on versions of the Vyper programming language and resulted in losses of around $47 million. Amid the chaos, Twitter accounts impersonating Curve Finance and hack victims are promoting a …