On Sat, May 30, 2015 at 9:57 PM, Gavin Andresen wrote: > On Fri, May 29, 2015 at 7:42 PM, Chun Wang <1240902@gmail.com> wrote: > >> Hello. I am from F2Pool. We are currently mining the biggest blocks on >> the network. > > > Thanks for giving your opinion! > > > >> Bad miners could attack us and the network with artificial >> big blocks. > > > How? > > I ran some simulations, and I could not find a network topology where a > big miner producing big blocks could cause a loss of profit to another > miner (big or small) producing smaller blocks: > > http://gavinandresen.ninja/are-bigger-blocks-better-for-bigger-miners > > (the 0.3% advantage I DID find was for the situation where EVERYBODY was > producing big blocks). > > >> We think >> the max block size should be increased, but must be increased >> smoothly, 2 MB first, and then after one or two years 4 MB, then 8 MB, >> and so on. Thanks. > > > Why 2 MB ? You said that server bandwidth is much more expensive in > China; what would be the difference in your bandwidth costs between 2MB > blocks and 20MB blocks? > Perhaps we should arrange to run some more 'simulations' with miners from China and elsewhere? Let me know there's interest to do. p. > > > -- > -- > Gavin Andresen > > > ------------------------------------------------------------------------------ > > _______________________________________________ > Bitcoin-development mailing list > Bitcoin-development@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/bitcoin-development > >