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What is Witnessing exactly drpuffnstuff, is it the same as staking?

No it's like being a miner. But you elected into a certain position based on staking power. Staking power on here is I guess your ability to upvote and curate posts to make steem/sbd, to make steem/sbd.. open your bar on the top right, find witnesses and you can vote for 30 of them. Look up posts about witnesses, pick the ones you like.. like Jerry banfield for example! You will see some names you recognize in the witness list when you look and figure it out

Oh cool, can I vote for you @drpuffnstuff ??

No, only people running witness nodes. Someday