Nice, I did the same thing not too long ago creating @mini-v for upvoting!
It's a lot of work and I have to say that it's a pain to log in and log out of several different front-ends to just to vote. Wish there was some integration with Partiko or Esteem which might help a little.
All these tokens, it's a bit of a crap shoot but let's see which ones survive and thrive.