[bitcoin-dev] On the security of soft forks

Matt Corallo lf-lists at mattcorallo.com
Sun Oct 16 17:04:59 UTC 2016

I highly recommend you read the excellent thread on soft fork risks at
and respond there instead of getting off topic for this thread.


On 10/16/16 16:42, Tom Zander via bitcoin-dev wrote:
> On Sunday, 16 October 2016 12:35:58 CEST Gavin Andresen wrote:
>> On Sun, Oct 16, 2016 at 10:58 AM, Tom Zander via bitcoin-dev <
>> bitcoin-dev at lists.linuxfoundation.org> wrote:
>>> The fallow period sounds waaaay to short. I suggest 2 months at minimum
>>> since anyone that wants to be safe needs to upgrade.
>> I asked a lot of businesses and individuals how long it would take them to
>> upgrade to a new release over the last year or two.
>> Nobody said it would take them more than two weeks.
> The question you asked them was likely about the block size. The main 
> difference is that SPV users do not need to update after BIP109, but they do 
> need to have a new wallet when SegWit transactions are being sent to them.
> This upgrade affects also end users, not just businesses etc.
> Personally, I'd say that 2 months is even too fast.

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