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In steem-bounty.com i try to join vote-club but when i entered my user name and posting key error message show on screen here the screen shotsteem.jpg
I checked everything username and key as well

Do not post your keys this publically!!!

Your account is now compromised. First off generate new keys.

Then you dis not provide your private poating key and username. Both bost be correct.

So please change ur keys now!!!!

i already change it but what about vote exchange how i solve this issue