On Fri, Jul 6, 2012 at 9:49 AM, Jeff Garzik wrote: > On Fri, Jul 6, 2012 at 12:45 PM, Peter Vessenes wrote: > > The proposal is simple, and it's a small change for miners, I imagine. > > > > My question is: why? > > > > I worry about stuffing too many requirements on the coinbase. I suppose > > the coinbase is easily extendible if we run out of bytes, but I think I'd > > like to see some more discussion / good / bad type cases for making this > > change. What do we get over just the prev_hash by doing this? > > With the existing setup (sans height in coinbase), you might not have > unique transactions, with all that entails. > > Yes, I've experienced that myself, actually. > > Anyway, some background would be great; if I missed it, I'm happy to go > > read up, but I didn't see any links on the wiki. > > Gavin wrote some notes on upgrades and BIP16 lessons-learned at > https://gist.github.com/2355445 > > This is a super coherent and excellent writeup. I may come back with more thoughts, I want to let it percolate. Thanks! > -- > Jeff Garzik > exMULTI, Inc. > jgarzik@exmulti.com > -- ------------------------------ [image: CoinLab Logo]PETER VESSENES CEO *peter@coinlab.com * / 206.486.6856 / SKYPE: vessenes 811 FIRST AVENUE / SUITE 480 / SEATTLE, WA 98104