I prefer simplewall over tinywall. I can't remember what I didn't like about tinywall though.

Rule 4: No association with or reference to crypto“currencies” because these are greed incentivizing pyramid schemes.

Aurora accepts cryptocurrencies as donations. And F-Droid also did but apparently its on hold.

Discourse

No, why?

Web solutions allow you to have an account and can keep track of those things. There are Android apps like Clipious that connect to the web instsnces so it keeps in sync with what you watch on your browser.

Yes, if it only contains files then it won't do anything.