Jekyll2020-12-22T14:00:22-05:00https://neoresearch.io/feed.xmlNeoResearchDeveloping groundbreaking research for NEO Blockchain Ecosystem. Simple portal using minimal-mistakes-jekyll.NeoResearchSeason’s greetings2020-12-22T00:00:00-05:002020-12-22T15:01:04-05:00https://neoresearch.io/article/christmas-NewYear<p>May the Christmas season fill your home with joy, your heart with love, and your life with laughter.</p>
<p>NeoResearch Team wishes a Merry Christmas.</p>
<p><img src="/assets/images/2020_12_NewYear/2020Christmas.png" alt="Christmas" /></p>
<p>In this New Years’s Eve, NeoResearch Team want to thank for all the partneship around this 2020 year.
Thanks for being togheter this year, even if distant and by web meetings.</p>
<p>The deepest feelings of love and gratitude to all of you!</p>
<p>Neo Research Team wishes a bright 2021!!</p>
<p><img src="/assets/images/2020_12_NewYear/2020NewYear.png" alt="New Year" /></p>
<h2 id="support">Support:</h2>
<ul>
<li><a href="https://neoresearch.io">NeoResearch</a></li>
</ul>NeoResearchMerry Christmas and Happy New YearNeo News Today Podcast2020-12-07T00:00:00-05:002020-12-07T15:01:04-05:00https://neoresearch.io/article/NeoNewsPodcast<p>NeoResearch members were invited by Dylan Grabowsk from Neo News Today to talk for a Podcast involving some topics above.</p>
<p>Vitor Nazário:</p>
<ul>
<li>Recent publication;</li>
<li>MILP model;</li>
<li>NEO 3 changes.</li>
</ul>
<p>Igor Coelho:</p>
<ul>
<li>Brazilian Committee for Blockchain;</li>
<li>Neo-based grants for university students;</li>
<li>NEO 3.</li>
</ul>
<p>And much more!!</p>
<p>Let’s check Vitor Nazário and Igor Coelho participation at the links:</p>
<h2 id="vitor-podcast">Vitor Podcast:</h2>
<iframe width="560" height="315" src="https://www.youtube.com/embed/yc4uahuz0CU" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen=""></iframe>
<h2 id="igor-podcast">Igor Podcast:</h2>
<iframe width="560" height="315" src="https://www.youtube.com/embed/kS9t56Y7e3g" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen=""></iframe>
<h2 id="support">Support:</h2>
<ul>
<li><a href="https://neoresearch.io">NeoResearch</a></li>
<li><a href="https://neonewstoday.com/news/">Neo News Today</a></li>
</ul>NeoResearchNeoNews PodcastFuture Internet Journal Article2020-12-05T00:00:00-05:002020-12-05T15:01:04-05:00https://neoresearch.io/article/MDPI-publication-MILPmodel<h2 id="journal-future-internet-publication">Journal Future Internet Publication</h2>
<p>A scientific article named *A MILP Model for a Byzantine Fault Tolerant Blockchain Consensus has been published on 29th October at <a href="https://www.mdpi.com/1999-5903/12/11/185">Future Internet Journal</a>.
This article proposed MILP model to prove otptimal solutions for dBFT liveness and finality.</p>
<h2 id="article-access-statistics">Article access statistics</h2>
<p><img src="/assets/images/2020_11_MILP_model/MILPmodelStatistics.png" alt="MDPI FirstPage" /></p>
<h2 id="article-first-page">Article first page</h2>
<p><img src="/assets/images/2020_11_MILP_model/MILPmodelCover.png" alt="MDPI FirstPage" /></p>
<p>Nazário Coelho, V.; Pereira Araújo, R.; Gambini Santos, H.; Yong Qiang, W.; Machado Coelho, I. A MILP Model for a Byzantine Fault Tolerant Blockchain Consensus. Future Internet 2020, 12, 185.</p>
<h2 id="abstract">Abstract</h2>
<p>Mixed-integer mathematical programming has been widely used to model and solve challenging optimization problems. One interesting feature of this technique is the ability to prove the optimality of the achieved solution, for many practical scenarios where a linear programming model can be devised. This paper explores its use to model very strong Byzantine adversaries, in the context of distributed consensus systems. In particular, we apply the proposed technique to find challenging adversarial conditions on a state-of-the-art blockchain consensus: the Neo dBFT. Neo Blockchain has been using the dBFT algorithm since its foundation, but, due to the complexity of the algorithm, it is challenging to devise definitive algebraic proofs that guarantee safety/liveness of the system (and adjust for every change proposed by the community). Core developers have to manually devise and explore possible adversarial attacks scenarios as an exhaustive task. The proposed multi-objective model is intended to assist the search of possible faulty scenario, which includes three objective functions that can be combined as a maximization problem for testing one-block finality or a minimization problem for ensuring liveness. Automated graphics help developers to visually observe attack conditions and to quickly find a solution. This paper proposes an exact adversarial model that explores current limits for practical blockchain consensus applications such as dBFT, with ideas that can also be extended to other decentralized ledger technologies.</p>
<p><em>Keywords:</em> byzantine fault tolerance; consensus; distributed ledger technology; exact adversarial model; integer programming; Neo Blockchain.</p>
<p>The article is open access and can be <a href="https://www.mdpi.com/1999-5903/12/11/185/htm">DOWNLOAD here</a>.</p>
<h2 id="neoresearch-on-media">NeoResearch on media:</h2>
<p><a href="https://neonewstoday.com/development/neoresearch-publishes-proposed-milp-model-to-prove-optimal-solutions-for-dbft-liveness-and-finality/">NEO News Today</a></p>
<p><a href="https://medium.com/neo-smart-economy/on-the-difficulty-of-drawing-proofs-on-byzantine-consensus-62f929720e58">MEDIUM</a></p>
<h2 id="support">Support:</h2>
<ul>
<li><a href="https://neoresearch.io">NeoResearch</a></li>
</ul>NeoResearchPublished articleSustainability Journal Article2020-04-07T00:00:00-04:002020-04-07T16:01:04-04:00https://neoresearch.io/article/MDPI-publication-Sustainability<h2 id="journal-future-internet-publication">Journal Future Internet Publication</h2>
<p>A scientific work named <em>Challenges for Connecting Citizens and Smart Cities: ICT, E-Governance and Blockchain</em> has been published on 07th April at <a href="https://www.mdpi.com/2071-1050/12/7/2926">Sustainability Journal</a>.</p>
<p>The work addresses ICT technologies, governance models and NEO Blockchain as example of digital assets and democracy.
It also explains NEO consensus and the proposals for managing digital identities on a public blockchain.</p>
<h2 id="mdpi-publication">MDPI Publication</h2>
<p><img src="/assets/images/2020_04_MDPI-Sustainability/MDPI-sustainablility.png" alt="MDPI FirstPage" /></p>
<p>Oliveira, T.A.; Oliver, M.; Ramalhinho, H. Challenges for Connecting Citizens and Smart Cities: ICT, E-Governance and Blockchain. Sustainability 2020, 12, 2926.</p>
<h2 id="abstract">Abstract</h2>
<p>The way citizens interact with cities affects overall life quality. Their participation in social decisions is of paramount importance for helping on public decisions that affect governance, regulation and education. This interaction has the potential of being boosted within the scope of smart and digital cities, especially by recent advances in blockchain technology. This work introduces insights about how smart cities’ concepts and innovative technologies can help society to face daily challenges for improving citizens’ awareness. Digital technologies are able to drive social and economic development by employing Information and Communication Technology (ICT) to promote innovation. In this context, e-governance, in conjunction with disruptive concepts such as blockchain, is showing up as a fundamental tool for a decentralized democracy. This study reviews, discusses, raises open points and presents suggestions towards an efficient, transparent and sustainable use of technology, applied to future cities.</p>
<p><em>Keywords:</em> smart cities; digital cities; citizens; blockchain; ICT; e-governance; sustainability; urban planning; green technologies; smart contracts.</p>
<p>The article is open access and can be <a href="https://www.mdpi.com/2071-1050/12/7/2926/pdf">DOWNLOAD here</a>.</p>
<h2 id="support">Support:</h2>
<ul>
<li><a href="https://neoresearch.io">NeoResearch</a></li>
</ul>NeoResearchPublished articleJournal Future Internet Publication2020-01-28T00:00:00-05:002020-01-28T15:01:04-05:00https://neoresearch.io/article/MDPI-publication-FutureInternet<h2 id="journal-future-internet-publication">Journal Future Internet Publication</h2>
<p>A scientific work named <em>Mobility, Citizens, Innovation and Technology in Digital and Smart Cities</em> has been published on 26th January at <a href="https://mdpi.com/1999-5903/12/2/22">Future Internet Journal</a>.</p>
<p>In section of it, the paper mentions NEO Blockchain and <a href="http://neocompiler.io">NeoCompiler</a> in a drafted smart contract for mobility on smart cities.</p>
<h2 id="abstract">Abstract</h2>
<p>Cities are constantly transforming and, consequently, attracting efforts from researchers and opportunities to the industry. New transportation systems are being built in order to meet sustainability and efficiency criteria, as well as being adapted to the current possibilities. Moreover, citizens are becoming aware about the power and possibilities provided by the current generation of autonomous devices. In this sense, this paper presents and discusses state-of-the-art transportation technologies and systems, highlighting the advances that the concepts of Internet of Things and Value are providing. Decentralized technologies, such as blockchain, are been extensively investigated by the industry, however, its widespread adoption in cities is still desirable. Aligned with operations research opportunities, this paper identifies different points in which cities’ services could move to. This also study comments about different combinatorial optimization problems that might be useful and important for an efficient evolution of our cities. By considering different perspectives, didactic examples are presented with a main focus on motivating decision makers to balance citizens, investors and industry goals and wishes.</p>
<p><em>Keywords:</em> smart cities; digital cities; blockchain; citizens; sustainable development; IoT; internet-of-value; information and communication technologies; mobility.</p>
<p>The article is open access and can be <a href="https://mdpi.com/1999-5903/12/2/22">DOWNLOAD here</a>.</p>
<h2 id="mdpi-publication">MDPI Publication</h2>
<p>Our article is on the <a href="https://medium.com/@NEO_Council/neo-academy-16978951448d">Neo Community Academic Publications</a>.</p>
<p><img src="/assets/images/2020_01_MDPI-Future-Internet/FutureInternet_firstpage.jpg" alt="MDPI FirstPage" /></p>
<p>Oliveira, T.A.; Gabrich, Y.B.; Ramalhinho, H.; Oliver, M.; Cohen, M.W.; Ochi, L.S.; Gueye, S.; Protti, F.; Pinto, A.A.; Ferreira, D.V.M.; Coelho, I.M.; Coelho, V.N. Mobility, Citizens, Innovation and Technology in Digital and Smart Cities. Future Internet 2020, 12, 22.</p>
<h2 id="support">Support:</h2>
<ul>
<li><a href="https://neoresearch.io">NeoResearch</a></li>
</ul>NeoResearchPublication in Journal Future InternetChinese New Year2020-01-25T00:00:00-05:002020-01-24T15:01:04-05:00https://neoresearch.io/new%20year/Happy-Chinese-Year<p>Happy Chinese New Year 🎉</p>
<p>NeoResearch Team wishes prosperity and research for the new year!!</p>
<p><img src="/assets/images/2020_01_Chinese-new-year/AnoNovoChines.jpeg" alt="Chinese-New-Year" /></p>NeoResearchChinese New YearMerry Christmas and Happy New Year2019-12-25T00:00:00-05:002019-11-24T15:01:04-05:00https://neoresearch.io/holidays/Merry-Christmas<p>NeoResearch Team wishes you Happy Holidays! ✨🌟🌎 🌍 🌏</p>
<h2 id="merry-christmas">Merry Christmas</h2>
<p><img src="/assets/images/2019_12_Merry-Christmas/merryChristimas.jpeg" alt="MerryChristimas" /></p>
<h2 id="happy-new-year">Happy New Year</h2>
<p><img src="/assets/images/2019_12_Merry-Christmas/brazilnewyear.jpeg" alt="brazilnewyear" /></p>NeoResearchHappy HolidaysNGD Researcher in Brazil2019-11-25T00:00:00-05:002019-11-24T15:01:04-05:00https://neoresearch.io/meetup/Yongqiang-in-brasil<p>NeoResearch Team are receiving in Brazil the NEO Global Development Shanghai Researcher, <strong>Wang Yong Qiang</strong>.
During his stay in Minas Gerais/Brazil, he had the opportunity to gave an speach for two different Federal Universities in Brazil organized by two Professor and Thays Aparecida de Oliveira - NeoResearch Marketing and Media Manager, with more details bellow.</p>
<h2 id="meetups-blockchain-ledgers-and-smart-contracts">Meetups: Blockchain, Ledgers and Smart Contracts.</h2>
<h2 id="universidade-federal-de-são-joão-del-rei-ufsj">Universidade Federal de São João del-Rei (UFSJ)</h2>
<p>The first Speaker it was at the Universidade Federal São João del-Rei (UFSJ) at 13th November 2019 asisted by the Prof. Dr. Bruno Nazário Coelho from Technology Department and Thays Aparecida de Oliveira - NeoResearch Marketing and Media Manager.</p>
<p>During 2 hours, Wang Yong Qiang and Vitor Nazário Coelho, from NeoResearch, conducted a speech talking about introductions about Blockchain, Ledgers e Smart Contracts.
Vitor also presented a video explaining about Consensus.</p>
<p>At the end of the lecture, questions were opened to the public, where it was possible to see the interest and interact with the participants.</p>
<p><img src="/assets/images/2019_11_WanginBrazil/UFSJ_9.jpeg" alt="Yongwiang_speech" />
<img src="/assets/images/2019_11_WanginBrazil/UFSJ_3.jpeg" alt="Vitor_speech" />
<img src="/assets/images/2019_11_WanginBrazil/UFSJ_1.jpeg" alt="Vitor_Wang_Bruno_Thays" /></p>
<h2 id="universidade-federal-de-ouro-preto-ufop">Universidade Federal de Ouro Preto (UFOP)</h2>
<p>The second Meetup was the Flash Blockchain Meeup @UFOP at the Universidade Federal de Ouro Preto (UFOP) at 19th November 2019 with the support of the Prof. Dr. Agnaldo José da Rocha Reis from the Department of Control and Automation Engineering.
The topics covered were:</p>
<ul>
<li>Introduction of Blockchain and some formal aspects of cryptography;</li>
<li>Distributed ledgers;</li>
<li>Hardware wallets;</li>
<li>WePay and AliPay & Payments;</li>
<li>Internet-of-Things (IoT) and Blockchain (Internet-of-Value (IoV).</li>
</ul>
<p>Vitor Nazário Coelho and Wang Yong Qiang once again conducted the presentation very well, the audience showed interest and asked questions at the end.</p>
<p><img src="/assets/images/2019_11_WanginBrazil/UFOP_4.jpeg" alt="Yongwiang_speech" />
<img src="/assets/images/2019_11_WanginBrazil/UFOP_8.jpeg" alt="Vitor_speech" />
<img src="/assets/images/2019_11_WanginBrazil/UFOP_3.jpeg" alt="Vitor_Wang_Agnaldo" /></p>
<p>Both meetups brought together several university students, professors and researchers interested in the subject.</p>
<p><a href="https://flic.kr/s/aHsmJDDDp8"><strong>MORE PHOTOS ON FLICKR</strong></a></p>
<h2 id="support">Support:</h2>
<ul>
<li><a href="https://ufsj.edu.br/">Universidade Federal de São João del-Rei (UFSJ)</a></li>
<li><a href="https://ufop.br/">Universidade Federal de Ouro Preto (UFOP)</a></li>
<li><a href="https://neoresearch.io">NeoResearch</a></li>
<li><a href="https://neo.org/">NEO Smart Economy</a></li>
</ul>NeoResearchNeoResearch Team are receiving in Brazil the NEO Global Development Shanghai Researcher, Wang Yong Qiang.NCA Shanghai 20192019-09-03T00:00:00-04:002019-09-02T16:01:04-04:00https://neoresearch.io/events/NCAPresentations-shanghai<p>The NEO Community Assembly are programing for all the first week of September and the Schedule is the sequence.</p>
<p>On 2nd of September Vitor and Igor conducted a talk. Vitor approached about dBFT 2.0 & Experiences of NeoResearch. Igor led a talk in the theme od NeoResearch Community Advances & Future Directions.</p>
<h2 id="nca2019-schedule">#NCA2019 Schedule</h2>
<h2 id="sep-1-sunday">Sep. 1, Sunday</h2>
<p>Welcome Drinks</p>
<h2 id="sep-2-mon"><strong>Sep. 2, Mon</strong></h2>
<p>The day started with an office tour at NGD Shanghai Office whre all the community members introduced themselves to the staff of NGD Shanghai.</p>
<ul>
<li><strong>Discussion topic 1</strong>: NEO3 preview & features.</li>
</ul>
<p>– NEO3 Preview1 introduction (Core developers);</p>
<p>– NEO3 feature discussion;</p>
<p>– NEO3 features (Core developers);</p>
<ul>
<li>
<p>TPS enhancement (Chuan Lu);</p>
</li>
<li>
<p>Cross-chain support (Yongqiang);</p>
</li>
<li>
<p>Voting, zk, layer 2-celer (Lichen & Charis Zhao & Justin).</p>
</li>
<li>
<p><strong>NEO Sharing Session with NGD</strong>:</p>
</li>
</ul>
<p>– Vitor: dBFT 2.0 & Experiences of NeoResearch;</p>
<p>– John deVadoss & Harry: F5 Developer Experience: NEO Toolkit & NEO Express;</p>
<p>– Igor: NeoResearch Community Advances & Future Directions.</p>
<h2 id="sep-3-tue"><strong>Sep. 3, Tue</strong></h2>
<ul>
<li><strong>Discussion topic 1</strong>: NEO governance</li>
</ul>
<p>– Voting & economic model (Yongqiang).</p>
<ul>
<li><strong>Discussion topic 2</strong>: NEO3 migration</li>
</ul>
<p>– Migration experience sharing & plan discussion (Peng & John);</p>
<p>– Migration tech discussion (Core developers & Chuan Lu).</p>
<ul>
<li><strong>NEO Sharing Sessions with NGD 2</strong></li>
</ul>
<p>– Alexey + Stan: NeoFS</p>
<p>– Wang Yongqiang: Essentials of decentralized trust;</p>
<p>– Ricardo Prado:NEO3 Custumer Relationship.</p>
<h2 id="sep-4-wed"><strong>Sep. 4, Wed</strong></h2>
<ul>
<li><strong>Open discussion on NEO feature implementation</strong></li>
</ul>
<p>– Neo integration (Alexey & Stan & Chuan Lu)</p>
<p>– NEO 3 oracle (Mengyu Liu)</p>
<p>– neo-gui (Longfei)</p>
<ul>
<li><strong>Discussion topic 1</strong>: NEO3 infrastructure</li>
</ul>
<p>– NGD Seattle F5 plan (John & Harry);</p>
<p>– NEO.ONE presentation (Alex);</p>
<p>– NEO3 infrastructure optmization discussion, including SDK, explorer, dAPI, docs etc (Longfei);</p>
<p>– Community testing platform (Tyler);</p>
<p>– Marketing promotion (Dean & Yuan).</p>
<ul>
<li><strong>NEO Sharing Sessions with NGD 2</strong></li>
</ul>
<p>– Tyler: CoZ and Moonlight;</p>
<p>– Guil: NEOw3j: The Past, The Present, The Future;</p>
<p>– Richard Dylan: Building a local NEO Community (NEO Colorado).</p>
<h2 id="sep-5-thu"><strong>Sep. 5, Thu</strong></h2>
<ul>
<li><strong>NEO Community Assembly Press Conference</strong></li>
</ul>
<p>– Da HongFei: opening speech, NCA recap and NEO update;</p>
<p>– John deVadoss: NEO VS Code;</p>
<p>– Stan: NEOFS.</p>
<ul>
<li>
<p><strong>Tech innovation proposals & brainstorming</strong></p>
</li>
<li>
<p><strong>Cordination meetings with NGD</strong></p>
</li>
</ul>
<h2 id="sep-6-mon"><strong>Sep. 6 Mon</strong></h2>
<ul>
<li><em>Cordination meeting continued</em></li>
</ul>
<h2 id="sep-6-mon-1"><strong>Sep. 6 Mon</strong></h2>
<ul>
<li>
<p><em>Shanghai City tour</em></p>
</li>
<li>
<p><a href="https://youtu.be/lKdKlzTz3UQ"><strong>NCA 2019 video:</strong></a></p>
</li>
</ul>
<h2 id="support">Support:</h2>
<ul>
<li><a href="https://neo.org/">NEO Smart Enconomy</a></li>
</ul>
<h2 id="event-news-around-the-world">Event news around the world:</h2>
<p><a href="https://neo.org/event/details/68">https://neo.org/event/details/68</a></p>NeoResearchNeoResearch Team presentation at **NEO Community Assembly 2019**NEO Community Assembly 2019 - Shanghai/China2019-09-02T00:00:00-04:002019-09-04T16:01:04-04:00https://neoresearch.io/events/NCA-shanghai<p><strong>NEO Global Development Shanghai</strong> organized the <strong>NEO Community Assembly 2019</strong> held in the NEO Global Development (NGD) Office in Shanghai - China from 2nd to 07th of September 2019.</p>
<p>The event brought together several developers from around the world in the same place, as can be seen in the Communities groups names list.
Was the first time an event like this was accomplished, some of the developers who only knew each other virtually, are discussing their ideas personally.
Being a good opportunity to keep the groups growing together, exchanging ideas about their projects, exposing their past, present and future projects.</p>
<p>NeoResearch Team Vitor Nazário,Igor Coelho and Thays Oliveira are attending the event.
In the 1st assembly day, VItor and Igor partipated in a round table discussion topic about NEO 3.0 Preview & Architech.</p>
<h2 id="nca2019">#NCA2019</h2>
<p>Communities groups and core devs around the world:</p>
<ul>
<li>NGD Shanghai</li>
<li>NEO Colorado</li>
<li>Neo One Suite</li>
<li>Neo SPCC</li>
<li>City of Zion</li>
<li>Red4sec</li>
<li>NEO News Today</li>
<li>NGD Seattle</li>
<li>Neow3j</li>
<li>NEONEXT</li>
<li>New Econo Lab</li>
<li>Alien works</li>
<li>NEO Blockchain</li>
</ul>
<p><strong>NCA 2019 video:</strong>
<a href="https://youtu.be/lKdKlzTz3UQ">https://youtu.be/lKdKlzTz3UQ</a></p>
<h2 id="support">Support:</h2>
<ul>
<li>NEO Smart Enconomy <a href="https://neo.org/">https://neo.org/</a></li>
</ul>
<h2 id="event-news-around-the-world">Event news around the world:</h2>
<p><a href="https://neo.org/event/details/68">https://neo.org/event/details/68</a></p>NeoResearchNeoResearch Team in the **NEO Community Assembly 2019** in Shanghai/China, July 02nd - 2019.