<html><head><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;">Apologies, I meant to send it to [messaging], not [curves]. I don't think this is very applicable to this list (I just have them both go to the same folder and didn't notice I picked the wrong email address to send to).<div></div><div>
<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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<br><div><div>On Mar 25, 2015, at 7:43 PM, Tao Effect <<a href="mailto:contact@taoeffect.com">contact@taoeffect.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><meta http-equiv="Content-Type" content="text/html charset=us-ascii"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">Dionysis Zindros came up with the following mechanism to prevent DNSChain servers from forging blockchain data (copied from our blog post):<div><br></div><div><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;"><div>3. Use <strong>Proof-of-Transition</strong> (PoT). PoT is a simple but powerful idea that <a href="https://twitter.com/dionyziz" target="_blank">Dionysis Zindros</a>
came up with (which we plan to elaborate on in future work). Briefly:
clients store the public key fingerprints of the blockchain transaction
that corresponds to a domain. These correspond to the public key that
was used to update the blockchain entry. When a new SSL/TLS cert is
seen, require DNSChain to provide proof in the form of the
transaction(s) that were used to update the blockchain entry. If these
transaction(s) were signed by the original public key, we can be assured
that DNSChain is not cooking the books.</div><div><br></div></blockquote>From "Certificate transparency on blockchains"</div><div><br></div><div><a href="https://blog.okturtles.com/2015/03/certificate-transparency-on-blockchains/">https://blog.okturtles.com/2015/03/certificate-transparency-on-blockchains/</a></div><div><br></div><div>Greg</div><div><div>
<br class="Apple-interchange-newline"><span style="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; float: none; display: inline !important;">--</span><br style="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="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; float: none; display: inline !important;">Please do not email me anything that you are not comfortable also sharing</span><span style="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; float: none; display: inline !important;"> with the NSA.</span>
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