I make this: https://anubis.techaro.lol. I have yet to add the SQL injection or IP list layers, but I can add that to the roadmap.
Most people are not worried about DDos as their is no reason for any one to DDos them.
Until other services start offering the same, Cloudflare remains default.
Also: Anubis does not mine cryptocurrency. Proof of work is easy to validate on the server and economically scales poorly in the wild for abusive scrapers.
I’m glad there’s no cryptocurrency involved (was never a concern) but I worry about the optics of something so closely associated.
(I appreciate your commenting on this. I know the project recently blew up in popularity. Keep up the great work)