[Bitcoin-development] F2Pool has enabled full replace-by-fee

Mark Friedenbach mark at friedenbach.org
Sat Jun 20 01:09:53 UTC 2015

What retail needs is escrowed microchannel hubs (what lightning provides,
for example), which enable untrusted instant payments. Not reliance on
single-signer zeroconf transactions that can never be made safe.

On Fri, Jun 19, 2015 at 5:47 PM, Andreas Petersson <andreas at petersson.at>

> I have some experience here. If you are seriously suggesting these
> measures, you might as well kill retail transactions altogether.
> In practice, if a retail place starts to accept bitcoin they have a
> similar situation as with cash, only that the fraud potential is much
> lower. (e.g. 100-dollar bill for a sandwich might turn out fake later)
> and the fraud frequency is also much lower.
> 0-conf concerns were never a problem in practice. except for 2-way atms
> i have never heard of a problem that was caused by double spends.
> while adding these measures is generally positive, requiring them means
> excluding 99.9% of the potential users. so you might as well not do it.
> RBF as implemented by F2Pool just flat out lowers Bitcoins utility
> value. So it's a bad thing.
> for any online or automated system, waiting for a handful of
> confirmations was always recommended practice.
> Am 19.06.2015 um 22:39 schrieb Matt Whitlock:
> > Retail POS merchants probably should not be accepting vanilla Bitcoin
> > payments, as Bitcoin alone does not (and cannot) guarantee the
> > irreversibility of a transaction until it has been buried several
> > blocks deep in the chain. Retail merchants should be requiring a
> > co-signature from a mutually trusted co-signer that vows never to sign
> > a double-spend.
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