I'm getting a lot of casual legal questions about smart contract exploits/"hacking" again. I have yet to write my own thing directly on this topic so I will just drop a few good third-party resources here, tell your friends:
Cyber Pickpockets: Blockchain, Cryptocurrency,
and the Law of Theft by Henry S. Zaytoun (student law review comment but pretty good)
https://scholarship.law.unc.edu/cgi/viewcontent.cgi?article=6709&context=nclr
and the Law of Theft by Henry S. Zaytoun (student law review comment but pretty good)
https://scholarship.law.unc.edu/cgi/viewcontent.cgi?article=6709&context=nclr
@propelfoward's take on a recent SCOTUS CFAA ruling's potential impact on blockchain things: https://www.coindesk.com/us-supreme-court-computer-fraud-ruling-has-big-implications-for-crypto
argument for how 51% attacks could be covered under the CFAA; could extend similar argument for smart contracts https://restislaw.com/liability-51-attacks-cfaa/