> In retrospect implementing the proof of work challenge may have been a mistake and it's likely to be supplanted by things like Proof of React or other methods that have yet to be developed.

> ... a challenge method that requires the client to do a single round of SHA-256 hashing deeply nested into a Preact hook in order to prove that the client is running JavaScript.

Why a single round? Doing the whole proof of work challenge inside the proof of react would be even more effective, right?