This means that as of now you can choose to receive either Credits (cr.) or Cinii (cn.).
If you are a Credit person...
For every 50 posts you can earn 2400 cr.
If you are a Cinii person...
For every 50 posts you can earn 600 cn.
For your initial collection of money this can backtrack by up to 1500 posts in your profile. Just divide it by 50 and multiply by your currency if your post count is below 1500, and if your post count is at least 1500 you automatically get either 72000 Credits or 18000 Cinii. Following this collection you will only earn money based on posts made after your initial collection. This means that even if you have 10,000 posts right now, you can only earn what 1500 posts would give you... Following that, only posts made after the 10,000 mark would count.
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To retrieve your money you must reply to this thread with the posts being submitted and your current post count. The posts being submitted would be whatever the difference is (multiples of 50) between your previous post count and your new post count. The following are examples of two submissions:
Submitted Posts: 500
Cinii (or Credits if applicable) gained: 6000 cn.
(later on...)
Submitted Posts: 200 (this is the difference between previous submission and the new one)
Cinii (or Credits if applicable) gained: 2400 cn.
After replying you can add the money to your profile right away, and it can be used whenever you feel like it. This system may change in the future, so be sure to check for changes before you collect your currency again (changes will not affect previously gained money).