That makes sense. However, based on this chart, I'm not quite seeing how it changed to 19%, seeing as the majority still have it at 20%. Could this be a display error?
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That makes sense. However, based on this chart, I'm not quite seeing how it changed to 19%, seeing as the majority still have it at 20%. Could this be a display error?
Yea so it's the median price between top20 + 1 backup.
There have been discussion since I've convey your question to other witnesses and there could be an update to do a median price between top19 witnesses instead in order to get a more stable APR.
I appreciate you looking deeper into this and discussing it!
I'm wondering whether a mode might be a better approach? It seems like it would be more reflective of the general consensus, unless every witness decides to switch to a different number - which seems rather unlikely.
I did suggest a mode but another witness came up with a counter example where it would not work as expected. Say 18 witnesses each have different APR values and two of them have an APR of 0%, mode would result in 0% APR.
10 witnesses signal 20%, 10 signal less. The APR is calculated each round anew, so currently it depends on the chosen backup witness if it's 19% or 20%
I’m not 100% sure of how the calculation is done but it could be a median over last several days or median from witnesses APR value.