<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div>On Aug 28, 2014, at 1:24 PM, Moxie Marlinspike <<a href="mailto:moxie@thoughtcrime.org">moxie@thoughtcrime.org</a>> wrote:</div><div><br></div><blockquote type="cite">Sorry I wasn't more clear. I was referring to the fact that the<br>directory would be openly publishing a list of everyone's email<br>addresses. Even if you hash them, they're pretty trivially invertible.<br><br>I don't know much about the state of the art of spam filtering these<br>days, so it might be that this isn't a problem, but it doesn't seem great.<br><br>- moxie</blockquote><div apple-content-edited="true"><br></div><div apple-content-edited="true">Hmm, this is also a problem for blockchains *if* emails are published in the blockchain (as they currently are in Namecoin).</div><div apple-content-edited="true"><br></div><div apple-content-edited="true">One solution, then, is to not publish emails in the blockchain, but instead query them from the individual servers, and authenticate those replies via the blockchain. I think that would completely solve the problem (for the blockchain, that is).</div><div apple-content-edited="true"><br></div><div apple-content-edited="true">Thank you for that observation, I will need to bring this up with the Namecoin team.</div><div apple-content-edited="true"><br></div><div apple-content-edited="true">Cheers,</div><div apple-content-edited="true">Greg</div><div apple-content-edited="true">
<br class="Apple-interchange-newline"><span style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; display: inline !important; float: none;">--</span><br style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><span style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; display: inline !important; float: none;">Please do not email me anything that you are not comfortable also sharing</span><span style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; display: inline !important; float: none;"> with the NSA.</span>
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