From: Mark Friedenbach <mark@friedenbach.org>
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Date: Mon, 28 Aug 2017 14:33:52 -0700
References: <CY4PR1801MB181583C344B0993205D4B6C8809E0@CY4PR1801MB1815.namprd18.prod.outlook.com>
To: Alex Nagy <optimiz3@hotmail.com>,
	Bitcoin Protocol Discussion <bitcoin-dev@lists.linuxfoundation.org>
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Message-Id: <F0C5D3E3-7D8C-4082-9B2F-92E84D3F1918@friedenbach.org>
Subject: Re: [bitcoin-dev] P2WPKH Scripts, P2PKH Addresses,
 and Uncompressed Public Keys
Precedence: list


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> On Aug 28, 2017, at 8:29 AM, Alex Nagy via bitcoin-dev =
<bitcoin-dev@lists.linuxfoundation.org> wrote:
>=20
> If Alice gives Bob 1MsHWS1BnwMc3tLE8G35UXsS58fKipzB7a, is there any =
way Bob can safely issue Native P2WPKH outputs to Alice?
>=20

No, and the whole issue of compressed vs uncompressed is a red herring. =
If Alice gives Bob 1MsHWS1BnwMc3tLE8G35UXsS58fKipzB7a, she is saying to =
Bob =E2=80=9CI will accept payment to the scriptPubKey [DUP HASH160 =
PUSHDATA(20)[e4e517ee07984a4000cd7b00cbcb545911c541c4] EQUALVERIFY =
CHECKSIG]=E2=80=9D.

Payment to any other scriptPubKey may not be recognized by Alice.=

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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" =
class=3D""><br class=3D""><div><blockquote type=3D"cite" class=3D""><div =
class=3D"">On Aug 28, 2017, at 8:29 AM, Alex Nagy via bitcoin-dev &lt;<a =
href=3D"mailto:bitcoin-dev@lists.linuxfoundation.org" =
class=3D"">bitcoin-dev@lists.linuxfoundation.org</a>&gt; wrote:</div><br =
class=3D"Apple-interchange-newline"><div class=3D""><div style=3D"margin: =
0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; =
font-style: normal; font-variant-caps: normal; font-weight: normal; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px;" class=3D"">If Alice gives Bob =
1MsHWS1BnwMc3tLE8G35UXsS58fKipzB7a, is there any way Bob can safely =
issue Native P2WPKH outputs to Alice?<o:p class=3D""></o:p></div><br =
class=3D"Apple-interchange-newline"></div></blockquote></div><br =
class=3D""><div class=3D"">No, and the whole issue of compressed vs =
uncompressed is a red herring. If Alice gives =
Bob&nbsp;1MsHWS1BnwMc3tLE8G35UXsS58fKipzB7a, she is saying to Bob =E2=80=9C=
I will accept payment to the scriptPubKey [DUP HASH160 =
PUSHDATA(20)[e4e517ee07984a4000cd7b00cbcb545911c541c4] EQUALVERIFY =
CHECKSIG]=E2=80=9D.</div><div class=3D""><br class=3D""></div><div =
class=3D"">Payment to any other scriptPubKey may not be recognized by =
Alice.</div></body></html>=

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