I think this is the right move for Braiins and I hope they attract more hash as a result of the change. The only downside I see is there is no way to accurately pay out the transaction fees since miners are paid proactively rather than based on the fees collected in a block. Those fees have been pretty material for a while now.
Yeah, when I was reading about FPPS in general, there was just a vague explanation that the transaction fee share is estimated over some time period. Dunno if Braiins has published any info about how they estimate and share the fees (their link in the dashboard UI is a 404 right now).
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