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Cc: Bitcoin Dev <bitcoin-development@lists.sourceforge.net>,
	Andreas Schildbach <andreas@schildbach.de>
Subject: Re: [Bitcoin-development] BIP 70 refund field
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>
> It is not more effort than an auto remembered call-in phone number. You
> delete if you do not care. The difference however is that it would be a
> clean protocol for repeated payments in both directions for whatever
> reason, where "refund" is and "payment" are not special compared to "1st
> installment", "overpayed back" or "tip"  or whatever extra charge arises
> later.
>

I think that'd be too abstract. The purpose of the refund field is that so
if/when you receive a payment there, the wallet UI can do something
intelligent, like show you in your transactions list that a certain payment
was refunded using language the user will understand. If it's modelled at
the protocol level without that then it makes producing good UI's harder.

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Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div class=3D"gmail_extra"><div class=3D"gmail_quote"><blo=
ckquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #c=
cc solid;padding-left:1ex"><div style=3D"word-wrap:break-word"><div><div>It=
 is not more effort than an auto remembered call-in phone number. You delet=
e if you do not care. The difference however is that it would be a clean pr=
otocol for repeated payments in both directions for whatever reason, where =
&quot;refund&quot; is and &quot;payment&quot; are not special compared to &=
quot;1st installment&quot;, &quot;overpayed back&quot; or &quot;tip&quot; =
=C2=A0or whatever extra charge arises later.</div>
</div></div></blockquote><div><br></div><div>I think that&#39;d be too abst=
ract. The purpose of the refund field is that so if/when you receive a paym=
ent there, the wallet UI can do something intelligent, like show you in you=
r transactions list that a certain payment was refunded using language the =
user will understand. If it&#39;s modelled at the protocol level without th=
at then it makes producing good UI&#39;s harder.</div>
</div></div></div>

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