That sounds good. If you do it well, your site will appear on the first page of Google when asked about a problem and will gain free promotion.
How do you plan to prevent abuse? Check questions? good/real answers? spam? Do you do this automatically or is there a manager/mod?
It is best to hire a trusted member of this forum to be the manager of your site.
now DGDX is free value, it's not tied to 1 = 1, that means 1 DGDX can equal $10 usd or more in the future.
I don't think this is a successful plan. Many do not believe that the value of tokens will rise so they are generally inclined to stablecoins.
Also, this means that token value may turn to zero at any time.
We are partners with an anti spam company that will batch delete comments and take tokens from balance before it looks like this:
http://prntscr.com/pfbdisthis is only a test in reality it wont remove 5
as for the tokens and usd, usd involvement will only lower the price, DGDX is powered by the community and real people behind it working hard to earn it, they wont sell it for cheap price, think of it like steemit, only tokens with no back bone, or tokens from ICO etc can die really fast or in the long run, something active like diropia with the right mindset and a strong community can only go up.