Le 11/05/2015 00:31, Mark Friedenbach a écrit : > I'm on my phone today so I'm somewhat constrained in my reply, but the key > takeaway is that the proposal is a mechanism for miners to trade subsidy > for the increased fees of a larger block. Necessarily it only makes sense > to do so when the marginal fee per KB exceeds the subsidy fee per KB. It > correspondingly makes sense to use a smaller block size if fees are less > than subsidy, but note that fees are not uniform and as the block shrinks > the marginal fee rate goes up.. >
Oh I see, you expect the sign of the dE/dx to change depending on whether fees exceed the subsidy. This is possible, but instead of the linear identity, you have to increase the block size twice as fast as the difficulty. In that case we would get (using the notations of my previous email): D' = D(1+x) F' = F(1+2x) and thus: E' - E = x/(1+x)P(F-S) The presence of the (F-S) factor means that the sign reversal occurs when fees exceed subsidy. > Limits on both the relative and absolute amount a miner can trade subsidy > for block size prevent incentive edge cases as well as prevent a sharp > shock to the current fee-poor economy (by disallowing adjustment below 1MB). > > Also the identity transform was used only for didactic purposes. I fully > expect there to be other, more interesting functions to use. ------------------------------------------------------------------------------ One dashboard for servers and applications across Physical-Virtual-Cloud Widest out-of-the-box monitoring support with 50+ applications Performance metrics, stats and reports that give you Actionable Insights Deep dive visibility with transaction tracing using APM Insight. http://ad.doubleclick.net/ddm/clk/290420510;117567292;y _______________________________________________ Bitcoin-development mailing list Bitcoin-development@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bitcoin-development
