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As I know inflation is 100%. 10% is distributed to content creators and 90% is distributed among steem power owners(is like an investment in the platform, but once you power up, you can power down in equally amounts split over 24 months ).

You have probably read the outdated whitepaper?
The inflation rate was changed to 9.5% 8 months ago: https://steemit.com/steem/@steemitblog/final-review-of-steem-economic-changes

75% of inflation goes to authors and curators
15% of inflation is allocated to Steem Power holders
10% goes to the witnesses.
Powering Down takes 13 weeks now.

I didn't know powering down takes that long! I should have read more carefully before powering up everything I have... but I plan to hold it longer than 13 weeks so that is fine with me

I just checked and it seems to be done in 7 days according to the info in the wallet?

Bildschirmfoto 2017-07-19 um 18.59.40.png

Yes, that's right. It takes 13 periods of 1 week. After 1 week 1/13th of your SP is powered down.

Ok understood. Thanks for the clarification!

Thanks for clarifying this. I appreciate the work you do in presenting this kind of data.