https://github.com/bitcoin/bips/blob/master/bip-0069.mediawiki

--
Best Regards / S pozdravom,

Pavol "stick" Rusnak
CTO, SatoshiLabs

On Thu, Apr 30, 2020, 10:21 SatoshiSingh via bitcoin-dev <
bitcoin-dev@lists.linuxfoundation.org> wrote:

> Hi list. I've been a lurker for quite sometime and this is my first post.
>
> The problem I'm addressing is that generally wallet devs construct the tx
> with the 2nd output being of the sender as change. This helps chain
> analysers to identity addresses and invade the users privacy.
>
> I'm suggesting to sort the outputs in alphabetic order (or by pure random
> order) before broadcasting. This way the chain analyser cannot be sure
> which output is the change output and will improve privacy a little.
>
> Thanks_______________________________________________
> bitcoin-dev mailing list
> bitcoin-dev@lists.linuxfoundation.org
> https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev
>