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From: Tamas Blummer <tamas@bitsofproof.com>
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Date: Sat, 26 Apr 2014 13:03:14 +0200
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To: Tier Nolan <tier.nolan@gmail.com>
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Cc: Bitcoin Dev <bitcoin-development@lists.sourceforge.net>
Subject: Re: [Bitcoin-development] BIP32 "wallet structure" in use? Remove
	it?
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Actually gap in parallel branches already fails with BIP64 as it starts =
with m/64'/=85. without having m/63'

Regards,

Tamas Blummer
http://bitsofproof.com

On 26.04.2014, at 12:59, Tamas Blummer <tamas@bitsofproof.com> wrote:

> Yes, it is expensive but possible to discover any funds associated =
with a seed, provided there are set limits to:
>=20
> 1. gap of address use (e.g. 20)
> 2. depth of hierarchy (e.g. 6)
> 3. gap in use of parallel branches (e.g. 0)=20
>=20
> I would pick the limits in brackets above.=20
>=20
> Regards,
>=20
> Tamas Blummer
> http://bitsofproof.com
>=20
> On 26.04.2014, at 12:48, Tier Nolan <tier.nolan@gmail.com> wrote:
>=20
>> Maybe the solution is to have a defined way to import an unknown =
wallet?
>>=20
>> This means that the gap space and a search ordering needs to be =
defined.
>>=20
>> Given a blockchain and a root seed, it should be possible to find all =
the addresses for that root seed.
>>=20
>> The hierarchy that the wallet actually uses could be anything.
>=20


--Apple-Mail=_132BE00B-DDB7-446F-8DD0-CCAF5D53F926
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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html =
charset=3Dwindows-1252"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: =
after-white-space;">Actually gap in parallel branches already fails with =
BIP64 as it starts with m/64'/=85. without having m/63'<div =
apple-content-edited=3D"true"><br style=3D"color: rgb(0, 0, 0); =
font-family: Helvetica; font-size: 12px; font-style: normal; =
font-variant: normal; font-weight: normal; letter-spacing: normal; =
line-height: normal; text-align: -webkit-auto; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; orphans: 2; widows: 2;"><span =
style=3D"color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; =
font-style: normal; font-variant: normal; font-weight: normal; =
letter-spacing: normal; line-height: normal; text-align: -webkit-auto; =
text-indent: 0px; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-text-stroke-width: 0px; orphans: 2; widows: =
2; float: none; display: inline !important;">Regards,</span><br =
style=3D"color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; =
font-style: normal; font-variant: normal; font-weight: normal; =
letter-spacing: normal; line-height: normal; text-align: -webkit-auto; =
text-indent: 0px; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-text-stroke-width: 0px; orphans: 2; widows: =
2;"><br style=3D"color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
12px; font-style: normal; font-variant: normal; font-weight: normal; =
letter-spacing: normal; line-height: normal; text-align: -webkit-auto; =
text-indent: 0px; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-text-stroke-width: 0px; orphans: 2; widows: =
2;"><span style=3D"color: rgb(0, 0, 0); font-family: Helvetica; =
font-size: 12px; font-style: normal; font-variant: normal; font-weight: =
normal; letter-spacing: normal; line-height: normal; text-align: =
-webkit-auto; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; orphans: 2; =
widows: 2; float: none; display: inline !important;">Tamas =
Blummer</span><span style=3D"color: rgb(0, 0, 0); font-family: =
Helvetica; font-size: 12px; font-style: normal; font-variant: normal; =
font-weight: normal; letter-spacing: normal; line-height: normal; =
orphans: auto; text-align: start; text-indent: 0px; text-transform: =
none; white-space: normal; widows: auto; word-spacing: 0px; =
-webkit-text-stroke-width: 0px;"><br style=3D"color: rgb(0, 0, 0); =
font-family: Helvetica; font-size: 12px; font-style: normal; =
font-variant: normal; font-weight: normal; letter-spacing: normal; =
line-height: normal; text-align: -webkit-auto; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; orphans: 2; widows: 2;"><span =
style=3D"color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; =
font-style: normal; font-variant: normal; font-weight: normal; =
letter-spacing: normal; line-height: normal; text-align: -webkit-auto; =
text-indent: 0px; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-text-stroke-width: 0px; orphans: 2; widows: =
2; float: none; display: inline !important;"><a =
href=3D"http://bitsofproof.com">http://bitsofproof.com</a></span>
</span></div>
<br><div><div>On 26.04.2014, at 12:59, Tamas Blummer &lt;<a =
href=3D"mailto:tamas@bitsofproof.com">tamas@bitsofproof.com</a>&gt; =
wrote:</div><br class=3D"Apple-interchange-newline"><blockquote =
type=3D"cite"><meta http-equiv=3D"Content-Type" content=3D"text/html =
charset=3Dus-ascii"><div style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">Yes, =
it is expensive but possible to discover any funds associated with a =
seed, provided there are set limits to:<div><br></div><div>1. gap of =
address use (e.g. 20)</div><div>2. depth of hierarchy (e.g. =
6)</div><div>3. gap in use of parallel branches (e.g. =
0)&nbsp;</div><div><br></div><div>I would pick the limits in brackets =
above.&nbsp;</div><div><div apple-content-edited=3D"true"><br =
style=3D"font-family: Helvetica; font-size: 12px; font-style: normal; =
font-variant: normal; font-weight: normal; letter-spacing: normal; =
line-height: normal; text-align: -webkit-auto; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; orphans: 2; widows: 2;"><span =
style=3D"font-family: Helvetica; font-size: 12px; font-style: normal; =
font-variant: normal; font-weight: normal; letter-spacing: normal; =
line-height: normal; text-align: -webkit-auto; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; orphans: 2; widows: 2; float: none; =
display: inline !important;">Regards,</span><br style=3D"font-family: =
Helvetica; font-size: 12px; font-style: normal; font-variant: normal; =
font-weight: normal; letter-spacing: normal; line-height: normal; =
text-align: -webkit-auto; text-indent: 0px; text-transform: none; =
white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
orphans: 2; widows: 2;"><br style=3D"font-family: Helvetica; font-size: =
12px; font-style: normal; font-variant: normal; font-weight: normal; =
letter-spacing: normal; line-height: normal; text-align: -webkit-auto; =
text-indent: 0px; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-text-stroke-width: 0px; orphans: 2; widows: =
2;"><span style=3D"font-family: Helvetica; font-size: 12px; font-style: =
normal; font-variant: normal; font-weight: normal; letter-spacing: =
normal; line-height: normal; text-align: -webkit-auto; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; orphans: 2; widows: 2; float: none; =
display: inline !important;">Tamas Blummer</span><span =
style=3D"font-family: Helvetica; font-size: 12px; font-style: normal; =
font-variant: normal; font-weight: normal; letter-spacing: normal; =
line-height: normal; orphans: auto; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; widows: auto; word-spacing: =
0px; -webkit-text-stroke-width: 0px;"><br style=3D"font-family: =
Helvetica; font-size: 12px; font-style: normal; font-variant: normal; =
font-weight: normal; letter-spacing: normal; line-height: normal; =
text-align: -webkit-auto; text-indent: 0px; text-transform: none; =
white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
orphans: 2; widows: 2;"><span style=3D"font-family: Helvetica; =
font-size: 12px; font-style: normal; font-variant: normal; font-weight: =
normal; letter-spacing: normal; line-height: normal; text-align: =
-webkit-auto; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; orphans: 2; =
widows: 2; float: none; display: inline !important;"><a =
href=3D"http://bitsofproof.com/">http://bitsofproof.com</a></span>
</span></div>
<br><div><div>On 26.04.2014, at 12:48, Tier Nolan &lt;<a =
href=3D"mailto:tier.nolan@gmail.com">tier.nolan@gmail.com</a>&gt; =
wrote:</div><br class=3D"Apple-interchange-newline"><blockquote =
type=3D"cite"><div dir=3D"ltr"><div><div>Maybe the solution is to have a =
defined way to import an unknown wallet?<br><br>This means that the gap =
space and a search ordering needs to be defined.<br><br></div>Given a =
blockchain and a root seed, it should be possible to find all the =
addresses for that root seed.<br>
<br></div>The hierarchy that the wallet actually uses could be =
anything.<br></div></blockquote></div><br></div></div></blockquote></div><=
br></body></html>=

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