Man that is a great tool! I believe that it's really necessary to bring additional value to commenting on the blockchain. The way you do this also allows to support the usage of the specific front-ends. This will mean more page impressions, more income, more token burnt!
If I understood the concept correctly, you are actually paying these rewards from your own pocket? My suggestion would be to instead of paying rewards to use upvote capacities. I would imagine that you have this reward account upvoting one comment of the person who solicitates a payout which got accepted by the algorithm.
It could be a minimal upvote of 1 - 3% according to quality of commenting. With low percentages you don't run out of voting power. Then we could link specific accounts to those upvotes. Meaning that according to the front-end, it could deliver a vote in LEO, CTP or Sports. These accounts would feed from their own curation rewards and they would grow over time. You could calculate the upvote value according to the voting power of the account to make sure it doesn't run of voting power. To push the project people could delegate tokens to these reward accounts.
This is just a suggestion. I really love the concept and the realisation!
Posted Using LeoFinance Beta