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Probably you also have Pal. Login into steem-engine and see if there is a PAL sign in the upper left corner. They were distributed with via an airdrop.
Pal is a new steem interface but it has it’s own token called PAL.
www.palnet.io
They already use a 50/50 author curator split.
If one upvotes a post of yours with has the palnet tag and has pal staked than you could earn pal.

Yes, just registerred

I only have Sweet in my Steemit-wallet. HOw to register for Pal? Or do I have to buy some first?
First time I used SteemEngine today - Nice !

Do you see the Pal token in the upper left side of steem-engine?
If you than you got some via their airdrop.