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For security you can (and should) log on using your private posting key. This will only allow posting access with your account and you can't transfer steem or anything like that.

There are many helpful posts about the different keys, but you can find the settings under "Wallet/Permissions"

here is a direct link to this post on ChainBB! I notcied it was misssing from the steemit post when you see this on regular steemit!
https://beta.chainbb.com/zappl/@cryptoctopus/meshing-steem-projects-a-new-zappl-board-on-chainbb
LOL chainBB is like steemit Gold!

Ok so yeah you just have to login with your steemit account! DOnt worry its easy! You just need that "Posting key" which is in your Wallet > Permissions and u will find your posting key inthat list!!!! use that to login to chainBB

Cryptoctopus you are amazing man I didnt know chainBB was up yet but Ive been telling everyone about it! i plan on creating subreddit replacements for all subreddits!

Alright. If used inappropriately, what's the worst thing someone could do with my posting key?

It's legitimate to worry about this, but as long as funds aren't at risk (which they aren't in this case), it isn't too bad. ChainBB is a reputable project, it's super unlikely to have anything bad happen unless, worst case scenario, they got hacked somehow.

Someone could post and vote in your stead. Until you change your posting keys. (they can't touch your funds)

Cool, thanks for the info! Checking it out now!