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From: Tier Nolan <tier.nolan@gmail.com>
Date: Wed, 6 Sep 2017 23:20:02 +0100
Message-ID: <CAE-z3OWQZK1z7WFOSQOu15ri2cOGx9vCzyd1P=Q1t6MPDBOcLw@mail.gmail.com>
To: Bitcoin Protocol Discussion <bitcoin-dev@lists.linuxfoundation.org>
Content-Type: multipart/alternative; boundary="001a1146c0c62ef5a605588cc199"
Subject: Re: [bitcoin-dev] SF proposal: prohibit unspendable outputs with
	amount=0
Precedence: list

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On Tue, Sep 5, 2017 at 10:51 PM, Jorge Tim=C3=B3n via bitcoin-dev <
bitcoin-dev@lists.linuxfoundation.org> wrote:

> Is there any reason or use case to keep allowing spendable outputs
> with null amounts in them?
>

Someone could have created a timelocked transaction that depends on a zero
value output.

This could be protected by requiring a tx version number change.  Only zero
outputs in the new version would be affected.

I am not sure how strictly people are sticking to that rule though.

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<div dir=3D"ltr"><div class=3D"gmail_extra"><div class=3D"gmail_quote">On T=
ue, Sep 5, 2017 at 10:51 PM, Jorge Tim=C3=B3n via bitcoin-dev <span dir=3D"=
ltr">&lt;<a href=3D"mailto:bitcoin-dev@lists.linuxfoundation.org" target=3D=
"_blank">bitcoin-dev@lists.linuxfoundation.org</a>&gt;</span> wrote:<br><bl=
ockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #=
ccc solid;padding-left:1ex">
Is there any reason or use case to keep allowing spendable outputs<br>
with null amounts in them?<br></blockquote><div><br></div><div>Someone coul=
d have created a timelocked transaction that depends on a zero value output=
.</div><div><br></div><div>This could be protected by requiring a tx versio=
n number change.=C2=A0 Only zero outputs in the new version would be affect=
ed.</div><div><br></div><div>I am not sure how strictly people are sticking=
 to that rule though.<br></div></div></div></div>

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