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How does it work? Is it similar to an upvote bot?

It is all in the post above. There is a compiled WS user guide. But it is similar except you spend 0 dollars of your own, and you send them via the OL/dex exchange/wallet. below is the link!
The best compiled WHALESHARE guide out there! : https://steemit.com/steemgigs/@steemgigs/steemgig-contest-update-a-compilation-of-all-best-how-to-use-whaleshares-tutorials

Woah. Thanks! I will need to dive into this tomorrow. I run a game that pays prizes via sbd so I wonder if this is something I could use to make the game more valuable for our players.