Re:$600M taken in largest DeFi hack to date
by xur17 on Tuesday August 10, 2021 @05:14PM
(#28134656)
In this case it looks like it wasn't a smart contract hack, but instead a traditional key compromise [0]. From what I can gather it looks like it was essentially a custodial provider that allowed users to easily swap between different crypto networks.
[0] https://twitter.com/Mudit__Gupta/status/1425115177771405312