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From: Tamas Blummer <tamas@bitsofproof.com>
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Date: Wed, 9 Apr 2014 18:27:13 +0200
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To: Mark Friedenbach <mark@monetize.io>
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Cc: bitcoin-development@lists.sourceforge.net
Subject: Re: [Bitcoin-development] Bitcoind-in-background mode for SPV
wallets
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A border router that is not able to serve blocks is still protecting =
consensus rules, that SPVs do not.
If the network would only consist of SPV nodes only then e.g. a majority =
coalition of miner could increase their reward at will.
Archives need a different solution.
Regards,
Tamas Blummer
http://bitsofproof.com
On 09.04.2014, at 17:47, Mark Friedenbach <mark@monetize.io> wrote:
> On 04/09/2014 09:09 AM, Tamas Blummer wrote:
>> Yes, SPV is a sufficient API to a trusted node to build sophisticated
>> features not offered by the core.
>> SPV clients of the border router will build their own archive and
>> indices based on their interest of the chain therefore the
>> border router core does not need to store (and process) anything not
>> needed for consensus, its memory
>> or disk footprint would be as low as an optimal storage of UTXO.
>=20
> Storing zero full blocks does nothing to aid the network.
--Apple-Mail=_714D17C4-7D81-4C2C-9167-962E7F81F337
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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html =
charset=3Dus-ascii"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">A =
border router that is not able to serve blocks is still protecting =
consensus rules, that SPVs do not.<div>If the network would only consist =
of SPV nodes only then e.g. a majority coalition of miner could increase =
their reward at will.</div><div><br></div><div>Archives need a different =
solution.<br><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; =
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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; =
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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><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; orphans: auto; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: =
0px;"><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 09.04.2014, at 17:47, Mark Friedenbach <<a =
href=3D"mailto:mark@monetize.io">mark@monetize.io</a>> =
wrote:</div><br class=3D"Apple-interchange-newline"><blockquote =
type=3D"cite">On 04/09/2014 09:09 AM, Tamas Blummer =
wrote:<br><blockquote type=3D"cite">Yes, SPV is a sufficient API to a =
trusted node to build sophisticated<br>features not offered by the =
core.<br>SPV clients of the border router will build their own archive =
and<br>indices based on their interest of the chain therefore =
the<br>border router core does not need to store (and process) anything =
not<br>needed for consensus, its memory<br>or disk footprint would be as =
low as an optimal storage of UTXO.<br></blockquote><br>Storing zero full =
blocks does nothing to aid the =
network.<br></blockquote></div><br></div></body></html>=
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