Received-SPF: pass (sog-mx-3.v43.ch3.sourceforge.com: domain of gmail.com
	designates 209.85.192.181 as permitted sender)
	client-ip=209.85.192.181; envelope-from=brianchoffman@gmail.com;
	helo=mail-pd0-f181.google.com; 
MIME-Version: 1.0
In-Reply-To: <CA+s+GJCn9U2kmyMH6w3o+m99NCfO0ws=SccvGBYJv07WVuF=eA@mail.gmail.com>
References: <CA+s+GJCn9U2kmyMH6w3o+m99NCfO0ws=SccvGBYJv07WVuF=eA@mail.gmail.com>
Date: Wed, 9 Apr 2014 11:42:31 -0400
Message-ID: <CAADm4BCEFCiOpNzUThPPHUamP2256izU8pwD3nerLCxks0wENA@mail.gmail.com>
From: Brian Hoffman <brianchoffman@gmail.com>
To: Wladimir <laanwj@gmail.com>
Content-Type: multipart/alternative; boundary=001a113625bcdb147c04f69df25c
Cc: Bitcoin Dev <bitcoin-development@lists.sourceforge.net>
Subject: Re: [Bitcoin-development] Bitcoind-in-background mode for SPV
	wallets
Precedence: list

--001a113625bcdb147c04f69df25c
Content-Type: text/plain; charset=UTF-8

How would this affect the user in terms of disk storage? They're going to
get hammered on space constraints aren't they? If it's not required how
likely are users to enable this?


On Wed, Apr 9, 2014 at 11:29 AM, Wladimir <laanwj@gmail.com> wrote:

> Hello,
>
> This is primarily aimed at developers of SPV wallets.
>
> The recently reported decrease in number of full nodes could have several
> reasons, one of them that less people are running Bitcoin Core for the
> wallet because the other wallets are getting ahead in both features and
> useability.
>
> It's great to see innovation in wallets, but it's worrying that the number
> of full nodes decreases.
>
> It may be that lots of people would support the network by running a full
> node, but don't want to go through the trouble of installing bitcoin core
> separately (and get confused because it's a wallet, too).
>
> Hence I'd like to explore the idea of adding an option to popular SPV
> wallets, to spin a bitcoind process in the background. This could be pretty
> much transparent to the user - it would sync in the background, the wallet
> could show statistics about the node, but is not dependent on it.
>
> In exchange the user would get increased (full node level) security, as
> the SPV wallet would have a local trusted node.
>
> Does this sound like a good idea?
>
> Is there any way that Bitcoin Core can help to accomedate this 'embedded'
> usage? Specific Interfaces, special builds - maybe add a walletless
> bitcoind build to gitian - bindings, dlls, etc?
>
> Wladimir
>
>
>
> ------------------------------------------------------------------------------
> Put Bad Developers to Shame
> Dominate Development with Jenkins Continuous Integration
> Continuously Automate Build, Test & Deployment
> Start a new project now. Try Jenkins in the cloud.
> http://p.sf.net/sfu/13600_Cloudbees
> _______________________________________________
> Bitcoin-development mailing list
> Bitcoin-development@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/bitcoin-development
>
>

--001a113625bcdb147c04f69df25c
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">How would this affect the user in terms of disk storage? T=
hey&#39;re going to get hammered on space constraints aren&#39;t they? If i=
t&#39;s not required how likely are users to enable this?</div><div class=
=3D"gmail_extra">
<br><br><div class=3D"gmail_quote">On Wed, Apr 9, 2014 at 11:29 AM, Wladimi=
r <span dir=3D"ltr">&lt;<a href=3D"mailto:laanwj@gmail.com" target=3D"_blan=
k">laanwj@gmail.com</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quo=
te" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"=
>
<div dir=3D"ltr"><div><div><div>Hello,<br><br>This is primarily aimed at de=
velopers of SPV wallets.<br><br></div>The recently reported decrease in num=
ber of full nodes could have several reasons, one of them that less people =
are running Bitcoin Core for the wallet because the other wallets are getti=
ng ahead in both features and useability.<br>

<br>It&#39;s great to see innovation in wallets, but it&#39;s worrying that=
 the number of full nodes decreases. <br><br>It may be that lots of people =
would support the network by running a full node, but don&#39;t want to go =
through the trouble of installing bitcoin core separately (and get confused=
 because it&#39;s a wallet, too).<br>

</div><div><br></div>Hence I&#39;d like to explore the idea of adding an op=
tion to popular SPV wallets, to spin a bitcoind process in the background. =
This could be pretty much transparent to the user - it would sync in the ba=
ckground, the wallet could show statistics about the node, but is not depen=
dent on it.<br>

<br>In exchange the user would get increased (full node level) security, as=
 the SPV wallet would have a local trusted node.<br><br></div><div>Does thi=
s sound like a good idea?<br></div><div><br></div>Is there any way that Bit=
coin Core can help to accomedate this &#39;embedded&#39; usage? Specific In=
terfaces, special builds - maybe add a walletless bitcoind build to gitian =
- bindings, dlls, etc?<span class=3D"HOEnZb"><font color=3D"#888888"><br>

<div><div><div><br>Wladimir<br><br></div></div></div></font></span></div>
<br>-----------------------------------------------------------------------=
-------<br>
Put Bad Developers to Shame<br>
Dominate Development with Jenkins Continuous Integration<br>
Continuously Automate Build, Test &amp; Deployment<br>
Start a new project now. Try Jenkins in the cloud.<br>
<a href=3D"http://p.sf.net/sfu/13600_Cloudbees" target=3D"_blank">http://p.=
sf.net/sfu/13600_Cloudbees</a><br>_________________________________________=
______<br>
Bitcoin-development mailing list<br>
<a href=3D"mailto:Bitcoin-development@lists.sourceforge.net">Bitcoin-develo=
pment@lists.sourceforge.net</a><br>
<a href=3D"https://lists.sourceforge.net/lists/listinfo/bitcoin-development=
" target=3D"_blank">https://lists.sourceforge.net/lists/listinfo/bitcoin-de=
velopment</a><br>
<br></blockquote></div><br></div>

--001a113625bcdb147c04f69df25c--