Re: [bitcoin-dev] Quadratic hashing solution for a post-segwit hard fork

2017-03-17 Thread Jorge Timón via bitcoin-dev
Segwit allows old -> old, old -> new, new -> old and of course new -> new
txs.

On 17 Mar 2017 1:47 a.m., "Erik Aronesty via bitcoin-dev" <
bitcoin-dev@lists.linuxfoundation.org> wrote:

Yeah, it does make things harder, and it's easy enough to soft fork to
handle arbitrary opt-in protocol improvements, new much larger block sizes,
whatever you want.   Even OK to migrate to a new system by not allowing
old->old or new->old transactions.



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Re: [bitcoin-dev] Quadratic hashing solution for a post-segwit hard fork

2017-03-16 Thread Erik Aronesty via bitcoin-dev
Yeah, it does make things harder, and it's easy enough to soft fork to
handle arbitrary opt-in protocol improvements, new much larger block sizes,
whatever you want.   Even OK to migrate to a new system by not allowing
old->old or new->old transactions.
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Re: [bitcoin-dev] Quadratic hashing solution for a post-segwit hard fork

2017-03-16 Thread Alphonse Pace via bitcoin-dev
This unnecessarily complicates transaction selection for miners by
introducing a second (and possibly third if I understand your proposal
correctly) dimension to try to optimize.

See:  https://en.wikipedia.org/wiki/Bin_packing_problem

Segwit already solves this exact issue by replacing block size with block
weight, so I fail to see how this proposal would make any improvements
without introducing significant complications.



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