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From: Lloyd Fournier <lloyd.fourn@gmail.com>
Date: Sun, 20 Sep 2020 13:23:28 +1000
Message-ID: <CAH5Bsr1vZ_T_4REUriwJ-1gTMN35g3yjEAzq1RYx6xALhtT2RA@mail.gmail.com>
To: Jay Berg <jay@protoblock.com>, 
 Bitcoin Protocol Discussion <bitcoin-dev@lists.linuxfoundation.org>
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Subject: Re: [bitcoin-dev] Taproot (and graftroot) complexity
Precedence: list

Hi Jay,

I don't think there's much of a difference in security or privacy.
The advice to avoid key-reuse remains the same and for the same reasons.

LL


On Sat, Sep 19, 2020 at 11:08 PM Jay Berg via bitcoin-dev
<bitcoin-dev@lists.linuxfoundation.org> wrote:
>
> Newb here..  don=E2=80=99t know if "in-reply-to" header is misbehaving.
>
> But this is the OP thread:
>
> [bitcoin-dev] Taproot (and graftroot) complexity
> Anthony Towns aj at erisian.com.au
> Mon Feb 10 00:20:11 UTC 2020
>
> https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2020-February/017=
622.html
>
> <a href=3D"mailto:bitcoin-dev%40lists.linuxfoundation.org?Subject=3DRe:%2=
0Re%3A%20%5Bbitcoin-dev%5D%20Taproot%20%28and%20graftroot%29%20complexity&I=
n-Reply-To=3D%3C20200210002011.lelhcdmjejmoh6xv%40erisian.com.au%3E" title=
=3D"[bitcoin-dev] Taproot (and graftroot) complexity">aj at erisian.com.au
>  </a>
>
> =EF=BB=BFOn 9/19/20, 5:35 AM, "bitcoin-dev on behalf of Jay Berg via bitc=
oin-dev" <bitcoin-dev-bounces@lists.linuxfoundation.org on behalf of bitcoi=
n-dev@lists.linuxfoundation.org> wrote:
>
>
>     > At the time you create a utxo, provided you don't reuse keys, all t=
aproot
>     > spends are indistinguishable. At the time you spend a taproot utxo,
>
>     does reusing keys act differently in taproot than with Pay-to-PubKey-=
Hash? Or is it the same deal.. same pubkey creates same address?
>
>     Question is: is the security/privacy implications worse when reusing =
pubkeys with taproot?
>
>     ty
>     jay
>
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