<p dir="ltr">Lack of privacy is viral. We shouldn't encourage policy in most wallets that discourages privacy. It adversely affects privacy across the entire network.<br>
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<div class="gmail_quote">On 9 May 2015 12:17 pm, Jim Phillips <jim@ergophobia.org> wrote:<br type='attribution'><blockquote class="quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div class="elided-text">On Sat, May 9, 2015 at 2:06 PM, Pieter Wuille <span dir="ltr"><<a href="mailto:pieter.wuille@gmail.com">pieter.wuille@gmail.com</a>></span> wrote:<br /><blockquote style="margin:0 0 0 0.8ex;border-left:1px #ccc solid;padding-left:1ex"><p dir="ltr">It's a very complex trade-off, which is hard to optimize for all use cases. Using more UTXOs requires larger transactions, and thus more fees in general. </p></blockquote><div>Unless the miner determines that the reduction in UTXO storage requirements is worth the lower fee. There's no protocol level enforcement of a fee as far as I understand it. It's enforced by the miners and their willingness to include a transaction in a block.<br /></div><blockquote style="margin:0 0 0 0.8ex;border-left:1px #ccc solid;padding-left:1ex"><p dir="ltr">In addition, it results in more linkage between coins/addresses used, so lower privacy. </p></blockquote><div>Not if you only select all the UTXOs from a single address. A wallet that is geared more towards privacy minded individuals may want to reduce the amount of address linkage, but a wallet geared towards the general masses probably won't have to worry so much about that. <br /></div><blockquote style="margin:0 0 0 0.8ex;border-left:1px #ccc solid;padding-left:1ex"><p dir="ltr">The only way you can guarantee an economical reason to keep the UTXO set small is by actually having a consensus rule that punishes increasing its size.</p></blockquote><div>There's an economical reason right now to keeping the UTXO set small. The smaller it is, the easier it is for the individual to run a full node. The easier it is to run a full node, the faster Bitcoin will spread to the masses. The faster it spreads to the masses, the more valuable it becomes.</div><div><br /></div></div></div></div>
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