So you mean useful Proof of Work? If so, then yes, and that is Handshake. [0] A decentralized blockchain based naming and certificate authority.
So far, that is the ONLY exceptional case and example of using proof-of-work that is useful and what I am willing to accept that makes sense to prevent a repeat of this [1] or this [2] or more TLD takeovers and DNS hijacking attempts like [3] and [4].
So far, that is the ONLY exceptional case and example of using proof-of-work that is useful and what I am willing to accept that makes sense to prevent a repeat of this [1] or this [2] or more TLD takeovers and DNS hijacking attempts like [3] and [4].
[0] https://handshake.org
[1] https://news.ycombinator.com/item?id=21611677
[2] https://thehackerblog.com/the-io-error-taking-control-of-all...
[3] https://cointelegraph.com/news/curve-finance-exploit-experts...
[4] https://cryptopotato.com/dns-hijack-compromised-ankrs-servic...