Ethan Heilman [ARCHIVE] on Nostr: 📅 Original date posted:2017-02-25 📝 Original message:I strongly encourage ...

📅 Original date posted:2017-02-25
📝 Original message:I strongly encourage Bitcoin to move from 80-bit collision resistance
(RIPEMD-160) to 128-bit collision resistance (SHA-256).

On Sat, Feb 25, 2017 at 5:14 PM, Pieter Wuille via bitcoin-dev <
bitcoin-dev at lists.linuxfoundation.org> wrote:

>
>
> On Feb 25, 2017 14:09, "Steve Davis via bitcoin-dev" <bitcoin-dev at lists.
> linuxfoundation.org> wrote:
>
> Hi Peter,
>
>
> I really, really don’t want to get into it but segwit has many aspects
> that are less appealing, not least of which being the amount of time it
> would take to reach the critical mass.
>
> Surely there's a number of alternative approaches which could be explored,
> even if only to make a fair assessment of a best response?
>
>
> Any alternative to move us away from RIPEMD160 would require:
> * A drafting of a softfork proposal, implementation, testing, review.
> * A new address format
> * Miners accepting the new consensus rules
> * Wallets adopting the new address format, both on the sender side and
> receiver side (which requires new signatures).
>
> I.e., exactly the same as segwit, for which most of these are already
> done. And it would still only apply to wallets adopting it.
>
> --
> Pieter
>
>
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>
>
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