{"id":13625,"date":"2016-04-21T10:30:11","date_gmt":"2016-04-21T07:30:11","guid":{"rendered":"http:\/\/www.altoros.com\/blog\/?p=13625"},"modified":"2017-07-24T19:31:17","modified_gmt":"2017-07-24T16:31:17","slug":"hyperledger-technical-f2f-meeting-draws-crowd-gets-some-work-done","status":"publish","type":"post","link":"https:\/\/www.altoros.com\/blog\/hyperledger-technical-f2f-meeting-draws-crowd-gets-some-work-done\/","title":{"rendered":"Hyperledger Technical F2F Meeting Draws Crowd, Gets Some Work Done"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-transparent ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.altoros.com\/blog\/hyperledger-technical-f2f-meeting-draws-crowd-gets-some-work-done\/#Lets_get_started\" >Let\u2019s get started<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.altoros.com\/blog\/hyperledger-technical-f2f-meeting-draws-crowd-gets-some-work-done\/#Engineers_and_non-engineers\" >Engineers and non-engineers<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.altoros.com\/blog\/hyperledger-technical-f2f-meeting-draws-crowd-gets-some-work-done\/#Working_groups\" >Working groups<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.altoros.com\/blog\/hyperledger-technical-f2f-meeting-draws-crowd-gets-some-work-done\/#Requirements_and_use_cases_Led_by_Patrick_Holmes_Intel\" >Requirements and use cases  Led by Patrick Holmes (Intel)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.altoros.com\/blog\/hyperledger-technical-f2f-meeting-draws-crowd-gets-some-work-done\/#White_paper_Led_by_David_Voell_JP_Morgan\" >White paper Led by David Voell (JP Morgan)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.altoros.com\/blog\/hyperledger-technical-f2f-meeting-draws-crowd-gets-some-work-done\/#Chain_code_Led_by_Stan_Liberman_CME_Technology_Labs\" >Chain code Led by Stan Liberman (CME Technology Labs)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.altoros.com\/blog\/hyperledger-technical-f2f-meeting-draws-crowd-gets-some-work-done\/#Combined_technical_committee_Led_by_Robert_Fajta_DAH\" >Combined technical committee Led by Robert Fajta (DAH)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.altoros.com\/blog\/hyperledger-technical-f2f-meeting-draws-crowd-gets-some-work-done\/#Backdrop\" >Backdrop<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.altoros.com\/blog\/hyperledger-technical-f2f-meeting-draws-crowd-gets-some-work-done\/#TSC_meeting\" >TSC meeting<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.altoros.com\/blog\/hyperledger-technical-f2f-meeting-draws-crowd-gets-some-work-done\/#Get_involved\" >Get involved!<\/a><\/li><\/ul><\/nav><\/div>\n<h3><span class=\"ez-toc-section\" id=\"Lets_get_started\"><\/span>Let\u2019s get started<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>IBM Distinguished Engineer and CTO of Open Technology <a href=\"https:\/\/www.linkedin.com\/in\/chrisfer\" target=\"_blank\">Christopher Ferris<\/a> heads the Hyperledger Project&#8217;s Technical Steering Committee (TSC), which helped organize the F2F in New York. He led a TSC meeting at the conclusion of the F2F.<\/p>\n<p><center><a href=\"https:\/\/www.altoros.com\/blog\/wp-content\/uploads\/2016\/04\/Hyperledger-F2F-Christopher-Ferris-IBM-CTO-Open-Technology.jpg\"><img decoding=\"async\" src=\"https:\/\/www.altoros.com\/blog\/wp-content\/uploads\/2016\/04\/Hyperledger-F2F-Christopher-Ferris-IBM-CTO-Open-Technology.jpg\" alt=\"Hyperledger F2F Christopher Ferris IBM CTO Open Technology\" width=\"640\" class=\"aligncenter size-full wp-image-13689\" \/><\/a><\/center><\/p>\n<p>Once all participants had an opportunity to introduce themselves, the proceedings then began with <a href=\"https:\/\/www.linkedin.com\/in\/tamasblummer\" target=\"_blank\">Tam\u00e1s Blummer<\/a>, Chief Ledger Architect at DAH, making  a presentation of their code base. This was followed by <a href=\"https:\/\/www.linkedin.com\/in\/bqnguyen\" target=\"_blank\">Binh Nguyen<\/a> Senior Technical Staff Member, IBM who presented the IBM Open Blockchain (OBC) code base. <a href=\"https:\/\/www.linkedin.com\/in\/sheehan-anderson-91334ba2\" target=\"_blank\">Sheehan Anderson<\/a>, Advisory Software Engineer for the Hyperledger Project at IBM, then introduced a few chaincode examples. With the introductions out of the way, Chris Ferris then presented a set of suggested experiments that the group might engage.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Engineers_and_non-engineers\"><\/span>Engineers and non-engineers<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>There were two class of participant at the hackathon: engineers and non-engineers. The engineers were clearly interested in pursuing one or more of the suggested experiments. The non-engineers were much more interested in participating in the development of the use cases and requirements or the white paper.<\/p>\n<p>A few memorable areas of discussion emerged during the first day:<\/p>\n<ul>\n<li><strong>Engineers<\/strong><\/li>\n<ul>\n<li><strong>Unified API.<\/strong> This would be some kind of wrapper for different Hyperledger implementations. The most important fact is that engineers from IBM and DAH had a chance to work closely together. Over the first three days they managed to find a way how to adapt their products with this new API implementation.<\/li>\n<li><strong>Unit-tests<\/strong> for HyperLedger project. Nobody selected this project.<\/li>\n<li><strong>Sample apps development.<\/strong> Engineers without experience in Hyperledger selected this team and were interested in basic use cases for how to work with blockchain. They decided to develop an example of a \u201cstock app\u201d. with the ability to move stocks between accounts.<br \/><small><a href=\"https:\/\/github.com\/hyperledger\/hyperledger\" target=\"_blank\">Github repo<\/a><\/small><\/li>\n<li><strong>Benchmarks.<\/strong> Two developers decided to run benchmarks for Hyperledger.<\/li>\n<\/ul>\n<li><strong>Managers<\/strong><\/li>\n<ul>\n<li>This group came from many different companies and would like to understand how this technology can affect their business and what should they do in order to \u201ccatch the wave\u201d. Representatives of this group decided to join the use case discussion activity.<\/li>\n<\/ul>\n<\/ul>\n<p>Accenture had a team there interested in the use of Hyperledger in tracking clinical results.<\/p>\n<p><center><div id=\"attachment_13690\" style=\"width: 650px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.altoros.com\/blog\/wp-content\/uploads\/2016\/04\/Hyperledger-F2F-Michael-Dolan-Christopher-Ferris-Philip-DesAutels.jpg\"><img decoding=\"async\" aria-describedby=\"caption-attachment-13690\" src=\"https:\/\/www.altoros.com\/blog\/wp-content\/uploads\/2016\/04\/Hyperledger-F2F-Michael-Dolan-Christopher-Ferris-Philip-DesAutels.jpg\" alt=\"Michael Dolan (left) and Philip DesAutels (right) from Linux Foundation with Chris Ferris from IBM (center).\" width=\"640\" class=\"size-full wp-image-13690\" \/><\/a><p id=\"caption-attachment-13690\" class=\"wp-caption-text\"><\/p>\n<p style=\"font-size: 14px;\"><a href=\"https:\/\/www.linkedin.com\/in\/michaelkdolan\" target=\"_blank\">Michael Dolan<\/a> (left) and <a href=\"https:\/\/www.linkedin.com\/in\/philipdesautels\" target=\"_blank\">Philip DesAutels<\/a> (right) from Linux Foundation with Chris Ferris from IBM (center)<\/p><\/p><\/div><\/center><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Working_groups\"><\/span>Working groups<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Four working groups were formed during the week:<\/p>\n<ul>\n<li><strong>Requirements and use cases.<\/strong> Led by <a href=\"https:\/\/www.linkedin.com\/in\/pjholmes\" target=\"_blank\">Patrick Holmes<\/a>, Senior Principle Engineer, Intel<\/li>\n<li><strong>White paper.<\/strong> Led by <a href=\"https:\/\/www.linkedin.com\/in\/david-voell-42788a3\" target=\"_blank\">David Voell<\/a>, Executive Director, JP Morgan<\/li>\n<li><strong>Chain code (aka \u201cchain gang\u201d).<\/strong> Led by <a href=\"https:\/\/www.linkedin.com\/in\/lirm604\" target=\"_blank\">Stan Liberman<\/a>, Director of Software Engineering at CME Technology Labs<\/li>\n<li><strong>Combined technical workgroup.<\/strong> Focused on the integration of API workgroup, and a script interpreter and integration group. Led by <a href=\"https:\/\/www.linkedin.com\/in\/robert-fajta-9207312b\" target=\"_blank\">Robert Fajta<\/a>, Senior Developer at DAH.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Requirements_and_use_cases_Led_by_Patrick_Holmes_Intel\"><\/span>Requirements and use cases <br \/><small>Led by Patrick Holmes (Intel)<\/small><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>For the first day this group was divided into two sub-groups. One focused on financial use cases, the other on non-financial.<\/p>\n<p>The Financial group was more than twice the size of the other, and came up with 18 use cases; the Non-Financial group came up with 11.<\/p>\n<p><center><div id=\"attachment_13691\" style=\"width: 650px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.altoros.com\/blog\/wp-content\/uploads\/2016\/04\/Hyperledger-F2F-Requirements-and-use-cases-working-group-Fujitsu-Blockstream.jpg\"><img decoding=\"async\" aria-describedby=\"caption-attachment-13691\" src=\"https:\/\/www.altoros.com\/blog\/wp-content\/uploads\/2016\/04\/Hyperledger-F2F-Requirements-and-use-cases-working-group-Fujitsu-Blockstream.jpg\" alt=\"Working group writing code for use cases included team members from Fujitsu and Blockstream\" width=\"640\" class=\"size-full wp-image-13691\" \/><\/a><p id=\"caption-attachment-13691\" class=\"wp-caption-text\"><\/p>\n<p style=\"font-size: 14px;\">Working group writing code for use cases included team members from Fujitsu and Blockstream<\/p><\/p><\/div><\/center><\/p>\n<p>Members of the two working groups also included:<\/p>\n<ul>\n<li><strong>Financial<\/strong> &#8211; <a href=\"https:\/\/www.linkedin.com\/in\/stefan-teis-970588\" target=\"_blank\">Stefan Teis<\/a> (Deutsche Boerse), <a href=\"https:\/\/www.fujitsu.com\/us\/about\/businesspolicy\/tech\/rd\/events\/symposium\/speakers\/hart-montgomery.html\" target=\"_blank\">Hart Montgomery<\/a> (Fujitsu), <a href=\"https:\/\/www.linkedin.com\/in\/ram-jagadeesan-1525241\" target=\"_blank\">Ram Jagadeesan<\/a> (Cisco), <a href=\"https:\/\/www.linkedin.com\/in\/frank-lu-340b515\" target=\"_blank\">Frank Lu<\/a> (IBM), and <a href=\"https:\/\/www.linkedin.com\/in\/renatco\/\" target=\"_blank\">Renat Khasanshyn<\/a> (Altoros)<\/li>\n<li><strong>Non-financial<\/strong> &#8211; <a href=\"https:\/\/www.linkedin.com\/in\/judy-priest-556b251\" target=\"_blank\">Judy Priest<\/a> (Cisco), <a href=\"https:\/\/www.linkedin.com\/in\/webdaford\" target=\"_blank\">Daniel Ford<\/a> (Keoja), <a href=\"https:\/\/www.linkedin.com\/in\/ari-mutanen-7396227\" target=\"_blank\">Ari Mutanen<\/a> (Altoros), and <a href=\"https:\/\/www.linkedin.com\/in\/balashevich\" target=\"_blank\">Sergey Balashevich<\/a> (Altoros).<\/li>\n<\/ul>\n<p>All of the use cases need to be fleshed out to some degree, as pointed out by Renat Khasanshyn. Some simply list a title at this point.<\/p>\n<p>Patrick Holmes noted that \u201cwe have to understand use cases that are of interest for real companies, create a requirements product based on them, and then adopt their blockchain project to these needs.\u201d He said Intel\u2019s implementation will be released to open source in two weeks.<\/p>\n<p>Financial use cases to date include asset financing, commodities, credit default swaps, microlending, letters of credit, and others. Among the non-financial use cases we find clinical trial results, music publishing, property ownership, supply chain logistics, voting, and others.<\/p>\n<p>The list of use cases to date can be found at <a href=\"https:\/\/github.com\/hyperledger\/hyperledger\" target=\"_blank\">here<\/a>.<\/p>\n<p>Specific requirements for Hyperledger implementation can be derived from detailed use cases. All agreed it\u2019s now a priority to build upon the current work and develop them.<\/p>\n<p><center><div id=\"attachment_13692\" style=\"width: 650px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.altoros.com\/blog\/wp-content\/uploads\/2016\/04\/Hyperledger-F2F-Financial-working-group.jpg\"><img decoding=\"async\" aria-describedby=\"caption-attachment-13692\" src=\"https:\/\/www.altoros.com\/blog\/wp-content\/uploads\/2016\/04\/Hyperledger-F2F-Financial-working-group.jpg\" alt=\"Financial working group outlined a total of 18 use cases for Hyperledger\" width=\"640\" class=\"size-full wp-image-13692\" \/><\/a><p id=\"caption-attachment-13692\" class=\"wp-caption-text\"><\/p>\n<p style=\"font-size: 14px;\">Financial working group outlined a total of 18 use cases for Hyperledger<\/p><\/p><\/div><\/center><\/p>\n<p><center><div id=\"attachment_13693\" style=\"width: 650px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.altoros.com\/blog\/wp-content\/uploads\/2016\/04\/Hyperledger-F2F-Non-financial-working-group.jpg\"><img decoding=\"async\" aria-describedby=\"caption-attachment-13693\" src=\"https:\/\/www.altoros.com\/blog\/wp-content\/uploads\/2016\/04\/Hyperledger-F2F-Non-financial-working-group.jpg\" alt=\"Non-financial working group outlined an additional 11 use cases for Hyperledger\" width=\"640\" class=\"size-full wp-image-13693\" \/><\/a><p id=\"caption-attachment-13693\" class=\"wp-caption-text\"><\/p>\n<p style=\"font-size: 14px;\">Non-financial working group outlined an additional 11 use cases for Hyperledger<\/p><\/p><\/div><\/center><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"White_paper_Led_by_David_Voell_JP_Morgan\"><\/span>White paper<br \/><small>Led by David Voell (JP Morgan)<\/small><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>A fairly lengthy white paper that\u2019s been repurposed from existing work by IBM on its Open Blockchain (OBC) technology was also presented in this context, and there is also a priority to make this paper uniquely describe what\u2019s going on with Hyperledger.<\/p>\n<p>One big question that the current version answers\u2014and which will continue to be developed\u2014is to answer why there is a need for a new fabric.<\/p>\n<p><center><div id=\"attachment_13694\" style=\"width: 650px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.altoros.com\/blog\/wp-content\/uploads\/2016\/04\/Hyperledger-F2F-David-Voell-Executive-Director-JP-Morgan.jpg\"><img decoding=\"async\" aria-describedby=\"caption-attachment-13694\" src=\"https:\/\/www.altoros.com\/blog\/wp-content\/uploads\/2016\/04\/Hyperledger-F2F-David-Voell-Executive-Director-JP-Morgan.jpg\" alt=\"David Voell, Executive Director, JP Morgan presents outcomes of the Hyperledger White Paper working group\" width=\"640\" class=\"size-full wp-image-13694\" \/><\/a><p id=\"caption-attachment-13694\" class=\"wp-caption-text\"><\/p>\n<p style=\"font-size: 14px;\">David Voell, Executive Director, JP Morgan presents outcomes of the Hyperledger White Paper working group<\/p><\/p><\/div><\/center><\/p>\n<p>One important point is that \u201cthere are a lot of use cases where existing fabrics are not appropriate,\u201d according to Dave. \u201c[Today], we\u2019re going to require a permissioned network,\u201d he said, adding that \u201cmaybe this could evolve to include non-permissioned.\u201d<\/p>\n<p>The current working version of White Paper can be found <a href=\"https:\/\/github.com\/hyperledger\/hyperledger\" target=\"_blank\">here<\/a>.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Chain_code_Led_by_Stan_Liberman_CME_Technology_Labs\"><\/span>Chain code<br \/><small>Led by Stan Liberman (CME Technology Labs)<\/small><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Stan with his group demonstrated a real share exchange mechanism emulating transfers between registered users. Stan outlined a basic secure transfer case, showing how to specify roles, create a simple security registry, and find a specific chaincode address.<\/p>\n<p>This team spent a good part of its first two days on environment configuration. For newcomers it can be a challenging task to deploy the environment without mistakes. But the end-result of this group&#8217;s efforts is an example of an application that will be helpful for new developers.<\/p>\n<p>During his presentation on Day 4, Stan outlined the sample application:<\/p>\n<p><center><a href=\"https:\/\/www.altoros.com\/blog\/wp-content\/uploads\/2016\/04\/Hyperledger-F2F-Chain-Gang-sample-application.png\"><img decoding=\"async\" src=\"https:\/\/www.altoros.com\/blog\/wp-content\/uploads\/2016\/04\/Hyperledger-F2F-Chain-Gang-sample-application.png\" alt=\"Hyperledger F2F Chain-Gang-sample-application\" width=\"640\" class=\"aligncenter size-full wp-image-13695\" \/><\/a><\/center><\/p>\n<p>He also showed some of the initial code:<\/p>\n<p><center><a href=\"https:\/\/www.altoros.com\/blog\/wp-content\/uploads\/2016\/04\/Hyperledger-F2F-Chain-Gang-initial-code.png\"><img decoding=\"async\" src=\"https:\/\/www.altoros.com\/blog\/wp-content\/uploads\/2016\/04\/Hyperledger-F2F-Chain-Gang-initial-code.png\" alt=\"Hyperledger F2F Chain-Gang-initial-code\" width=\"640\" class=\"aligncenter size-full wp-image-13696\" \/><\/a><\/center><\/p>\n<p><center><div id=\"attachment_13697\" style=\"width: 650px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.altoros.com\/blog\/wp-content\/uploads\/2016\/04\/Hyperledger-F2F-Chain-Gang-Stan-Liberman-Damien-Briggs.jpg\"><img decoding=\"async\" aria-describedby=\"caption-attachment-13697\" src=\"https:\/\/www.altoros.com\/blog\/wp-content\/uploads\/2016\/04\/Hyperledger-F2F-Chain-Gang-Stan-Liberman-Damien-Briggs.jpg\" alt=\"At work. Stan Liberman (on the far right) discusses the use case with Damien Briggs (on the far left)\" width=\"640\" class=\"size-full wp-image-13697\" \/><\/a><p id=\"caption-attachment-13697\" class=\"wp-caption-text\"><\/p>\n<p style=\"font-size: 14px;\">At work. Stan Liberman (on the far right) discusses the use case with Damien Briggs (on the far left)<\/p><\/p><\/div><\/center><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Combined_technical_committee_Led_by_Robert_Fajta_DAH\"><\/span>Combined technical committee<br \/><small>Led by Robert Fajta (DAH)<\/small><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The focus of Robert\u2019s team was to integrate some redundant pieces found in the combination of all of the contributions, and how cutting the server-side of DAH\u2019s contribution led to a more elegant solution. He first presented the combined structure, with its redundancy:<\/p>\n<p><center><a href=\"https:\/\/www.altoros.com\/blog\/wp-content\/uploads\/2016\/04\/Hyperledger-F2F-Combined-technical-committee-structure.png\"><img decoding=\"async\" src=\"https:\/\/www.altoros.com\/blog\/wp-content\/uploads\/2016\/04\/Hyperledger-F2F-Combined-technical-committee-structure.png\" alt=\"Hyperledger F2F Combined-technical-committee-structure\" width=\"640\" class=\"aligncenter size-full wp-image-13698\" \/><\/a><\/center><\/p>\n<p>He then showed the updated product, which cut out front-end Blockstream code, and connected DAH front-end and IBM (OBC) back-end contributions:<\/p>\n<p><center><a href=\"https:\/\/www.altoros.com\/blog\/wp-content\/uploads\/2016\/04\/Hyperledger-F2F-Combined-technical-committee-updated-product.png\"><img decoding=\"async\" src=\"https:\/\/www.altoros.com\/blog\/wp-content\/uploads\/2016\/04\/Hyperledger-F2F-Combined-technical-committee-updated-product.png\" alt=\"Hyperledger F2F Combined-technical-committee-updated-product\" width=\"640\" class=\"aligncenter size-full wp-image-13699\" \/><\/a><\/center><\/p>\n<p>Robert then took the audience through a sample transaction. He showed the transaction being created&#8230;<\/p>\n<p><center><a href=\"https:\/\/www.altoros.com\/blog\/wp-content\/uploads\/2016\/04\/Hyperledger-F2F-Combined-technical-committee-transaction-creation.png\"><img decoding=\"async\" src=\"https:\/\/www.altoros.com\/blog\/wp-content\/uploads\/2016\/04\/Hyperledger-F2F-Combined-technical-committee-transaction-creation.png\" alt=\"Hyperledger F2F Combined-technical-committee-transaction-creation\" width=\"640\" class=\"aligncenter size-full wp-image-13700\" \/><\/a><\/center><\/p>\n<p>&#8230;then completed &#8220;with all the money wired and all the balances correct.&#8221;<\/p>\n<p><center><a href=\"https:\/\/www.altoros.com\/blog\/wp-content\/uploads\/2016\/04\/Hyperledger-F2F-Combined-technical-committee-transaction-completed.png\"><img decoding=\"async\" src=\"https:\/\/www.altoros.com\/blog\/wp-content\/uploads\/2016\/04\/Hyperledger-F2F-Combined-technical-committee-transaction-completed.png\" alt=\"Hyperledger F2F Combined-technical-committee-transaction-completed\" width=\"640\" class=\"aligncenter size-full wp-image-13701\" \/><\/a><\/center><\/p>\n<p>It was noted that the two working groups\u2019 effort is just a POC at this point. Not all functions were implemented, and transactions in a final product must be not only performant but also prunable, as one of blockchain\u2019s primary promises and advantages is that you can audit what\u2019s on it.<\/p>\n<p><center><a href=\"https:\/\/www.altoros.com\/blog\/wp-content\/uploads\/2016\/04\/Hyperledger-F2F-Combined-technical-committee-next-steps.png\"><img decoding=\"async\" src=\"https:\/\/www.altoros.com\/blog\/wp-content\/uploads\/2016\/04\/Hyperledger-F2F-Combined-technical-committee-next-steps.png\" alt=\"Hyperledger F2F Combined-technical-committee-next-steps\" width=\"640\" class=\"aligncenter size-full wp-image-13702\" \/><\/a><\/center><\/p>\n<p><center><div id=\"attachment_13703\" style=\"width: 650px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.altoros.com\/blog\/wp-content\/uploads\/2016\/04\/Hyperledger-F2F-Robert-Fajta-Sheehan-Anderson.jpg\"><img decoding=\"async\" aria-describedby=\"caption-attachment-13703\" src=\"https:\/\/www.altoros.com\/blog\/wp-content\/uploads\/2016\/04\/Hyperledger-F2F-Robert-Fajta-Sheehan-Anderson.jpg\" alt=\"Robert Fajta, DAH (right) and Sheehan Anderson, IBM (left) introduce results of the integration\" width=\"640\" class=\"size-full wp-image-13703\" \/><\/a><p id=\"caption-attachment-13703\" class=\"wp-caption-text\"><\/p>\n<p style=\"font-size: 14px;\">Robert Fajta, DAH (right) and Sheehan Anderson, IBM (left) introduce results of the integration<\/p><\/p><\/div><\/center><\/p>\n<p><center><a href=\"https:\/\/www.altoros.com\/blog\/wp-content\/uploads\/2016\/04\/Hyperledger-F2F-Combined-technical-committee-productionizing.png\"><img decoding=\"async\" src=\"https:\/\/www.altoros.com\/blog\/wp-content\/uploads\/2016\/04\/Hyperledger-F2F-Combined-technical-committee-productionizing.png\" alt=\"Hyperledger F2F Combined-technical-committee-productionizing\" width=\"640\" class=\"aligncenter size-full wp-image-13704\" \/><\/a><\/center><\/p>\n<p><small>After note: team members ended up realizing that this work would have taken months instead of days if they had had to work remotely without face-to-face communication. The prototype is implemented in Java and it\u2019s highly possible that some of modules will be rewritten in Go and included into project\u2019s source code. Chris Ferris did note a high \u201cpain in the [neck]\u201d factor in rewriting to Go.<\/small><\/p>\n<p><center><div id=\"attachment_13680\" style=\"width: 650px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" aria-describedby=\"caption-attachment-13680\" src=\"https:\/\/www.altoros.com\/blog\/wp-content\/uploads\/2016\/04\/IBM-DAH-Altoros-Robert-Fajta.png\" alt=\"A team from IBM, DAH, and Altoros works on combining code. Group leader Robert Fajta is in yellow shirt in center.\" width=\"640\" class=\"size-full wp-image-13680\" \/><p id=\"caption-attachment-13680\" class=\"wp-caption-text\"><\/p>\n<p style=\"font-size: 14px;\">A team from IBM, DAH, and Altoros works on combining code. Group leader Robert Fajta is in yellow shirt in center.<\/p><\/p><\/div><\/center><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Backdrop\"><\/span>Backdrop<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>For engineers and managers who are new to Hyperledger, the backdrop to this group\u2019s work comes from proposed contributions to Hyperledger from IBM, DAH, and Blockstream:<\/p>\n<p><strong>Open Blockchain (OBC)<\/strong> is IBM&#8217;s contribution to the Hyperledger project. IBM describes it as \u201ca low-level blockchain fabric that has been designed to meet the requirements of a variety of industry-focused use cases. It extends the learning of the pioneers in this field by addressing additional requirements needed to satisfy those broader industry use cases.\u201d<\/p>\n<p>So-called \u201csmart contracts\u201d (what IBM calls \u201cchain code\u201d), digital assets, record repositories, a decentralized network providing consensus, and cryptographic security are the central elements to the company&#8217;s approach.<\/p>\n<p><small><a href=\"https:\/\/github.com\/openblockchain\" target=\"_blank\">Github repo<\/a><\/small><\/p>\n<p>Digital Asset Holdings (DAH) and Blockstream are the other two key Hyperledger contributors at this early stage. The latter two companies have made contributions similar to that of IBM, and were prominent at the F2F.<\/p>\n<p>DAH describes its candidate contribution as \u201can enterprise ready blockchain server with a client API. <strong>HLP-Candidate<\/strong> has a modular architecture and configurable network architecture particularly designed to meet the needs of our financial services clients. HLP-Candidate implements an append-only log of financial transactions designed to be replicated at multiple organizations without centralized control. The goal of HLP-Candidate is to allow expansion of the data backbone concept to the multi-organization level.\u201c<\/p>\n<p><small><a href=\"https:\/\/github.com\/DigitalAssetCom\/hlp-candidate\" target=\"_blank\">Github repo<\/a><\/small><\/p>\n<p>Blockstream is contributing <strong>the Elements Project<\/strong>, which it describes as \u201ca modularized fork of the Bitcoin codebase that adds several major improvements. Elements are composable features that allow a blockchain&#8217;s attributes to be customized, including Confidential Transactions, Segregated Witnesses, and Deterministic Pegs. Sidechains are interoperable blockchains implementing atomic, cross-chain transactions using a choice of federated, permissioned, or decentralized consensus models.\u201d<\/p>\n<p><small><a href=\"https:\/\/github.com\/ElementsProject\/elements\" target=\"_blank\">Github repo<\/a><\/small><\/p>\n<p><center><div id=\"attachment_13706\" style=\"width: 650px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.altoros.com\/blog\/wp-content\/uploads\/2016\/04\/Hyperledger-F2F-IBM-DAH-Blockstream-DTCC.jpg\"><img decoding=\"async\" aria-describedby=\"caption-attachment-13706\" src=\"https:\/\/www.altoros.com\/blog\/wp-content\/uploads\/2016\/04\/Hyperledger-F2F-IBM-DAH-Blockstream-DTCC.jpg\" alt=\"Combined team from IBM, DAH, &amp; Blockstream and DTCC working the problem on Day 1\" width=\"640\" class=\"size-full wp-image-13706\" \/><\/a><p id=\"caption-attachment-13706\" class=\"wp-caption-text\"><\/p>\n<p style=\"font-size: 14px;\">Combined team from IBM, DAH, and Blockstream and DTCC working the problem on Day 1<\/p><\/p><\/div><\/center><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"TSC_meeting\"><\/span>TSC meeting<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The week\u2019s proceedings concluded with a Hyperledger Technical Steering Committee (TSC) meeting, chaired by Christopher Ferris.<\/p>\n<p>There was a seeming consensus during this meeting that blockchain within the Hyperledger Project will be incubated with a combination of contributions that have been made by IBM, Blockstream, and Digital Asset Holdings (DAH), as outlined by Robert in his presentation.<\/p>\n<p>Mic Bowman of Intel voiced an objection to approving this at the meeting. Chris noted, \u201cthis is open source, so (people) can proceed however they want,\u201d but he also stressed that he favored complete agreement before formalizing the path forward for this particular incubation.<\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Get_involved\"><\/span>Get involved!<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>F2F participants are encouraging as many companies and people as possible to participate in the Hyperledger Project.<\/p>\n<p>A few key links:<\/p>\n<ul>\n<li><a href=\"https:\/\/meetings.webex.com\/collabs\/url\/9xtZOuAxB4VHUzS62GwBlC2kamfMqK7Oi4WHVv21e8q00000\">Webex call of Day Four summary and TSC call<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/hyperledger\/hyperledger\">Github repo<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/hyperledger\/hyperledger\">Wiki<\/a><\/li>\n<li><a href=\"https:\/\/hyperledgerproject.slack.com\/messages\">Slacker channel<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Let\u2019s get started<\/p>\n<p>IBM Distinguished Engineer and CTO of Open Technology Christopher Ferris heads the Hyperledger Project&#8217;s Technical Steering Committee (TSC), which helped organize the F2F in New York. He led a TSC meeting at the conclusion of the F2F.<\/p>\n<\/p>\n<p>Once all participants had an opportunity to introduce themselves, the proceedings then [&#8230;]<\/p>\n","protected":false},"author":9,"featured_media":13777,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":"","_links_to":"","_links_to_target":""},"categories":[7],"tags":[672,753],"class_list":["post-13625","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news-and-opinion","tag-blockchain","tag-hyperledger"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Hyperledger Technical F2F Meeting Draws Crowd, Gets Some Work Done | Altoros<\/title>\n<meta name=\"description\" content=\"Interest in the Hyperledger Project was intense over the initial, four-day technical face-to-face meeting in New York in early April. 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