On Wed, Apr 05, 2017 at 07:39:08PM -0700, Bram Cohen wrote:
> On Wed, Apr 5, 2017 at 7:31 PM, Peter Todd via bitcoin-dev <
> > While I'm in favour of blocking covert usage of ASICBOOST, there's every
> > reason
> > to block non-covert usage of it as well. In a low margin business like
> > mining,
> > the advatange it gives is enormous - quite possibly 10x your profit margin
> > -
> > and given that barrier free access to being able to purchase ASICs is
> > already
> > an archilles heal for Bitcoin there is every reason to eliminate this legal
> > vulnerability. Additionally, it's a technical vulnerability as well: we
> > want
> > getting into the ASIC manufacturing and design business to have as low
> > barriers
> > to entry as is feasible, and the ASICBOOST exploit significantly increases
> > the
> > minimum capital requirements to do so.
> >
> Asicboost also has the problem that it isn't treating the hashing as a
> black box, and thus has impacts on what gets mined. In particular it
> creates an incentive to make blocks smaller. That's a very unwanted effect,
> and anything like it should be engineered out on principle.

Agreed! There's no benefit to Bitcoin for having it - one way or the other
miners are going to destroy ~12BTC/block worth of energy. Meanwhile it appears
to have lead to something like a year of stupid political bullshit based on a
secret advantage - there's no reason to invite a repeat of this episode.

https://petertodd.org 'peter'[:-1]@petertodd.org

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