It would be nice if Bitcoin was engineered this way from the start. The amount of workarounds, special cases and code bloat to deal with the fact that txs are non-unique was a massive headache for me.
________________________________ From: Mark Friedenbach <m...@monetize.io> To: Jeff Garzik <jgar...@exmulti.com> Cc: Bitcoin Development <bitcoin-development@lists.sourceforge.net> Sent: Friday, July 6, 2012 6:56 PM Subject: Re: [Bitcoin-development] BIP 34: Block v2, Height in Coinbase On Fri, Jul 6, 2012 at 9:49 AM, Jeff Garzik <jgar...@exmulti.com> wrote: On Fri, Jul 6, 2012 at 12:45 PM, Peter Vessenes <pe...@coinlab.com> 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. > But those issues are solvable through other, non-backwards incompatible means. For example, mandate that a <transaction hash, output index> refers to the first such pair that is not already spent. No? Mark ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Bitcoin-development mailing list Bitcoin-development@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bitcoin-development ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Bitcoin-development mailing list Bitcoin-development@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bitcoin-development
