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not 100% sure but it's the rewards you get from your posts. And you just have to redeem them to get them to your wallet thats it. :)

Hi, have you figure this part out? Im also wondering what it is all about.

Nope, they say below to just redeem to transfer into your balance, but why would you need to do that? Maybe it's so you can see the rate at which you are earning SP and SBP...

You click on the redeem rewards button and the SP and SBD transfers to your account. You get those by upvoting other posts as well as the amount that you received from your posts.

@glennolua

Transfers from where?

Nice to meet you, @thecity! Welcome to the Steemit Community, wish you good luck and a good start, ive send you a small tip and followed you, hope you have an amazing day! :)

Very attention-grabbing and informative post shared followed and upvoted. @thecity Wish you the best with all your future endeavors.