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Date: Wed, 2 Mar 2022 05:24:00 +0100 (CET)
From: Prayank <prayank@tutanota.de>
To: max@towardsliberty.com
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Cc: Bitcoin Dev <bitcoin-dev@lists.linuxfoundation.org>
Subject: Re: [bitcoin-dev] Wasabi Wallet 2.0 Testnet Release
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Hi Max,

> Whenever the user wants to spend bitcoin to an address, the wallet automatically selects those private coins with sufficient sats, coin control is displayed to the user.

1.There are no 'private' coins. Every coin is public in Bitcoin.

2.Since, the wallet assumes some coins as 'private' based on certain things it can be misleading for the user. Privacy depends on the things users want to share with others.

3.There is no coin control in Wasabi Wallet 2. 

> However, when the private balance is insufficient to make the payment, the user has the option to adjust the coin selection with the help of the previously provided contact labels.

User does not select coins because they are never shared with the user in the first place.

[Selecting some labels][1] with misleading text 'who can see this transaction' does not look helpful.

> Wasabi also suggests the user to slightly adjust the payment amount so as to avoid the creation of a change utxo, decreasing fees and improving future privacy.

Privacy involved in using a change or not using it is debatable. Not using a change address makes it easier to understand who might be the recipient in a transaction whereas using a change address same as other outputs would be difficult to analyze for possible recipients.

Wasabi wallet does not have different types of addresses to use for a change however [Bitcoin Core][2] recently made some related improvement which would improve privacy.

> We kindly ask for your help testing the completely new UI/UX

As WW2 is not developed for power users (mentioned by developers working on Wasabi), I am not sure if bitcoin dev mailing list would be the best place to look for newbies. As far as issues are concerned, there are several things not fixed and shared in different GitHub issues or discussions. These include privacy, security and other things.


[1]: https://i.imgur.com/Gxjmhau.png
[2]: https://github.com/bitcoin/bitcoin/pull/23789


-- 
Prayank

A3B1 E430 2298 178F

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<div>Hi Max,<br></div><div dir=3D"auto"><br></div><div dir=3D"auto">&gt; Wh=
enever the user wants to spend bitcoin to an address, the wallet automatica=
lly selects those private coins with sufficient sats, coin control is displ=
ayed to the user.<br></div><div dir=3D"auto"><br></div><div dir=3D"auto">1.=
There are no 'private' coins. Every coin is public in Bitcoin.<br></div><di=
v dir=3D"auto"><br></div><div dir=3D"auto">2.Since, the wallet assumes some=
 coins as 'private' based on certain things it can be misleading for the us=
er. Privacy depends on the things users want to share with others.<br></div=
><div dir=3D"auto"><br></div><div dir=3D"auto">3.There is no coin control i=
n Wasabi Wallet 2. <br></div><div dir=3D"auto"><br></div><div dir=3D"auto">=
&gt; However, when the private balance is insufficient to make the payment,=
 the user has the option to adjust the coin selection with the help of the =
previously provided contact labels.<br></div><div dir=3D"auto"><br></div><d=
iv dir=3D"auto">User does not select coins because they are never shared wi=
th the user in the first place.<br></div><div dir=3D"auto"><br></div><div d=
ir=3D"auto">[Selecting some labels][1] with misleading text 'who can see th=
is transaction' does not look helpful.<br></div><div><div><br></div><div>&g=
t; Wasabi also suggests the user to slightly adjust the payment amount so a=
s to avoid the creation of a change utxo, decreasing fees and improving fut=
ure privacy.<br></div><div dir=3D"auto"><br></div><div dir=3D"auto">Privacy=
 involved in using a change or not using it is debatable. Not using a chang=
e address makes it easier to understand who might be the recipient in a tra=
nsaction whereas using a change address same as other outputs would be diff=
icult to analyze for possible recipients.<br></div><div dir=3D"auto"><br></=
div><div dir=3D"auto">Wasabi wallet does not have different types of addres=
ses to use for a change however [Bitcoin Core][2] recently made some relate=
d improvement which would improve privacy.<br></div><div dir=3D"auto"><br><=
/div><div dir=3D"auto">&gt; We kindly ask for your help testing the complet=
ely new UI/UX<br></div><div dir=3D"auto"><br></div><div dir=3D"auto">As WW2=
 is not developed for power users (mentioned by developers working on Wasab=
i), I am not sure if bitcoin dev mailing list would be the best place to lo=
ok for newbies. As far as issues are concerned, there are several things no=
t fixed and shared in different GitHub issues or discussions. These include=
 privacy, security and other things.<br></div><div dir=3D"auto"><br></div><=
div dir=3D"auto"><div><br></div><div>[1]: https://i.imgur.com/Gxjmhau.png<b=
r></div><div dir=3D"auto">[2]: https://github.com/bitcoin/bitcoin/pull/2378=
9<br></div></div><div><br><br>-- <br></div></div><div>Prayank<br></div><div=
><br></div><div dir=3D"auto">A3B1 E430 2298 178F<br></div>  </body>
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