<html><head><meta http-equiv="Content-Type" content="text/html charset=windows-1252"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">Begin forwarded message:<br><div><br class="Apple-interchange-newline"><blockquote type="cite"><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;"><span style="font-family:'Helvetica'; color:rgba(0, 0, 0, 1.0);"><b>From: </b></span><span style="font-family:'Helvetica';">Mihai Alisie <<a href="mailto:mihai@ethereum.org">mihai@ethereum.org</a>><br></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;"><span style="font-family:'Helvetica'; color:rgba(0, 0, 0, 1.0);"><b>Subject: </b></span><span style="font-family:'Helvetica';"><b>Re: Qs from Vienna meetup</b><br></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;"><span style="font-family:'Helvetica'; color:rgba(0, 0, 0, 1.0);"><b>Date: </b></span><span style="font-family:'Helvetica';">17. April 2014 15:54:48 MESZ<br></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;"><span style="font-family:'Helvetica'; color:rgba(0, 0, 0, 1.0);"><b>To: </b></span><span style="font-family:'Helvetica';">Alexander Hirner <<a href="mailto:a.hirner@gmail.com">a.hirner@gmail.com</a>><br></span></div><br><div><br>-----BEGIN PGP SIGNED MESSAGE-----<br>Hash: SHA1<br><br>Hi Alexander,<br><br>Sorry for taking so long to get back to you, here are the answers to<br>your questions.<br><br>1) Answer by Gavin Wood<br><br>Fastest blockchain transaction confirmation times are 1 per minute.<br><br>Highest /theoretical/ transaction frequency should be initially around<br>50000/minute.<br><br>For faster confirmations, we'll need to use a secondary mechanism.<br>Simplest is to have a contract or thirdparty (or group thereof)<br>collecting and confirming sub-1-minute transactions and holding a<br>certain amount of ether of the transactors on the blockchain as float.<br>A contract could feasibly confirm the set of transactions and<br>consolidate the funds over the blockchain at a later stage (e.g. the<br>next minute, the end of the trading day...).<br><br>2) Vitalik wrote a piece specifically about this on Bitcoin Magazine's<br>website:<br><br><a href="http://bitcoinmagazine.com/12349/side-chains-challenges-potential/">http://bitcoinmagazine.com/12349/side-chains-challenges-potential/</a><br><br>As for the subquestion, we're actively looking at a few potential<br>solutions for this challenge but haven't implemented one yet.<br><br>Hope this helps!<br><br>All the best,<br>Mihai<br><br><br>On 14/04/14 00:57, Alexander Hirner wrote:<br><blockquote type="cite">Hi Mihai!<br><br>I would like to forward you the partly outstanding questions. Brief<br></blockquote>and concise (if those things go together :) answers very much appreciated.<br><blockquote type="cite"><br>1) What is the highest on-blockchain transaction frequency (TPS) we<br></blockquote>will see on Ethereum 1.0?<br><blockquote type="cite">Would, and if yes, how would interaction with something like OT allow<br></blockquote>high frequency processing on a quasi trustless basis?<br><blockquote type="cite"><br>2) Please point us to the most pregnant info about sidechain<br></blockquote>technology there is. What are the implications for Ethereum, given that<br>the functionality claims of sidechains are fulfilled?<br><blockquote type="cite">Sub question: What other bridging tech for inter-blockchain transfer<br></blockquote>will be valuable? I think I’ve heard somewhere, that a BTC <-> ETH<br>bridging solution was discussed in Amsterdam.<br><blockquote type="cite"><br><br>- Alexander Hirner -<br>mobil: 0680 3266 858 (AUT)<br>e-mail: a.hirner@gmail.com<br><br><br></blockquote><br>-----BEGIN PGP SIGNATURE-----<br>Version: GnuPG v1.4.12 (GNU/Linux)<br>Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/<br><br>iQIcBAEBAgAGBQJTT90oAAoJEJNU6PJW+lnHL7sP+gM3xS8RroSK1jMl++p1csZs<br>406p42AJrEwpCUxM7Csf78IRR416x0IrD/8p+PSRObbfMi3jX2+q6btQ/2lcS6T/<br>0DtupQL15pDSQHhQwWNUNiWDaH4dFzUIM3TrGg362YbrUVRE35FSbYEt2zKOzZ4O<br>GkULtOeLYAFskVMtfSZ+7KLn8DdvhBOd35AcOyqWhUrGHfhSOO+lO63crbr+MGzK<br>xPzZRsQUB3tx/W2ZqxGuF9bEJ1HzLBHxZalJKHE0KSZWDip0zyi6k9xkot6w+U1U<br>o3ooN/n2kdqoh7nrOStR8BNVOrB8KH3cBKigZxL8ayJaBEhyI5VGWN29dU+bYyze<br>/V1bPlOU1Y1SBmtsuvnacNZl0IkInHfz1pG3G3ifjNfOXqpWLqmbImVO1Rw/fE77<br>+g2teOKzX+QUSxoDiEeW1cZidc0jaTR9wOBZw7+Q/czXlmEQUNAI9fmT/E1lmajb<br>aQ0woYjiUmQ+IXHE0D/mEHNN+/5X7YH5gMNfRyLvoZjNkG0o03fFq8h3/60AxLkw<br>TEAZ+egRsefBLR9VBmT+bXH0OVUWHW8FQbyx+sccuID7kniOFGV3n+KRDgb23yZh<br>WZ/SGXcWGHhEhLWujr5QZv/eMkAPsFFfylUi64pkMYUwoxb1RoJImU0gSAs5se4C<br>ctnOWBdn5lDrBaQkAmPb<br>=1R93<br>-----END PGP SIGNATURE-----<br><br></div></blockquote></div><br></body></html>