There is a quite popular one in the chinese community called 币问(BiWen / BiAsk). This website allows you to ask question, answer question and set bounty for questions. All of the operation being paid in YOYOW, kinda like a steemit clone in the chinese community.
The official website of BiAsk: https://www.biask.com
Offiacl site for YOYOW: https://www.yoyow.org/index_en.html
Disclaimer: I do own a lil bit of YOYOW.
Hi, can non-natives join the site and how do we cash out?