[bitcoin-dev] BIP proposal: Inhibiting a covert attack on the Bitcoin POW function
opetruzel at gmail.com
Thu Apr 6 04:47:10 UTC 2017
> > One of the things going for us here is that Bitmain has been keeping
> > from their own customers - as far as we know they haven't been sharing
> > thus they're the only ones you can actually use it.
> > So while we're pissing off Bitmain in disabling it, we wouldn't be
> > anyone else.
> > Equally, mining is a zero-sum game: if no-one can use ASICBOOST, miners
> > the same position as before. ASICBOOST is only relevant to miners like
> > who have access to it while other miners don't.
Do we know that for a fact, though? What evidence or intelligence do we
have to indicate Bitmain itself is the only entity using the covert boost?
A few possibilities:
1. They could have already shared it with a limited number of strategic
2. They could have offered to share it with various parties in exchange for
something (money, support for BU, etc); or
3. They could provide the custom firmware/software to select parties as a
direct response to this disclosure -- which would enhance their defenses
against a soft fork.
4. They could share the firmware/software with EVERY owner of their
equipment in a last-ditch defense against a soft fork. (after all, some
advantage over other equipment manufacturers is still better than no
Assumptions could lead to failure, so these are just some things to keep in
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the bitcoin-dev