There has been proposal to change the PoW in case of potential 51% attacks
from malicious miners during a fork. But such a change in PoW renders
multi-billion-dollar of ASIC into worthless. which hurts economy so much
and the average innocent mining users. I would propose, instead of PoW
change,
in that time.
>
> It also seems like it would be much better to wait until SegWit activates in
> order to truly measure the effects on the network from this increased
> capacity before committing to any additional increases.
>
> -Alphonse
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