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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">finance</journal-id><journal-title-group><journal-title xml:lang="ru">Финансы: теория и практика/Finance: Theory and Practice</journal-title><trans-title-group xml:lang="en"><trans-title>Finance: Theory and Practice</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2587-5671</issn><issn pub-type="epub">2587-7089</issn><publisher><publisher-name>Financial University under The Government of Russian Federation</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.26794/2587-5671-2019-23-6-26-35</article-id><article-id custom-type="elpub" pub-id-type="custom">finance-925</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ЦИФРОВЫЕ ФИНАНСОВЫЕ АКТИВЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>DIGITAL FINANCIAL ASSETS</subject></subj-group></article-categories><title-group><article-title>Состояние и перспективы развития технологии блокчейн в финансовой сфере</article-title><trans-title-group xml:lang="en"><trans-title>Current State and Development Trends of blockchain Technology in the Financial Sector</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8145-1994</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Крылов</surname><given-names>Г. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Krylov</surname><given-names>G. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Григорий Олегович Крылов — доктор физико-математических наук, кандидат технических и юридических наук, профессор кафедры информационной безопасности</p><p>профессор</p><p>заслуженный работник высшей школы</p></bio><bio xml:lang="en"><p>Grigorii O. Krylov — Dr. Sci. (Phys.-Math.), Cand. Sci. (Engin.), Cand. Sci. (Juris.), Professor, Department of Information Security</p><p>Professor</p><p>Honorary Figure of Russian Higher Education</p></bio><email xlink:type="simple">nik155@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4521-0290</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Селезнёв</surname><given-names>В. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Seleznev</surname><given-names>V. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Владимир Михайлович Селезнёв — кандидат технических наук, магистр бизнес-менеджмента, член правления (финансовая организация электронных денег)</p><p>Рига</p></bio><bio xml:lang="en"><p>Vladimir M. Seleznev — Cand. Sci. (Engin.), MBM, Member of the Board (Electronic money financial institution)</p></bio><email xlink:type="simple">v_seleznev@pisem.net</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Финансовый университет; НИЯУ МИФИ</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Financial University; National Research Nuclear University MEPhI</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>АО «Латкард»</institution><country>Латвия</country></aff><aff xml:lang="en"><institution>JSC LatCard</institution><country>Latvia</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>24</day><month>12</month><year>2019</year></pub-date><volume>23</volume><issue>6</issue><fpage>26</fpage><lpage>35</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Крылов Г.О., Селезнёв В.М., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Крылов Г.О., Селезнёв В.М.</copyright-holder><copyright-holder xml:lang="en">Krylov G.O., Seleznev V.M.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://financetp.fa.ru/jour/article/view/925">https://financetp.fa.ru/jour/article/view/925</self-uri><abstract><p>В статье исследуются причины медленного внедрения технологии блокчейна в  финансовой сфере. Авторы критически проанализировали основные декларируемые свойства блокчейн технологий: доверие, безопасность, децентрализация, неизменность хранения данных, отсутствие посредников, встроенная защита от атак, открытость. Цель исследования — показать, что декларируемые свойства блокчейна переоценены, ожидания от внедрения завышены, а задержки его адаптации за пределами криптовалют, в частности в финансовой сфере, закономерны. В основу статьи положена методология качественного и количественного анализа научных публикаций и  статистических источников, посвященных адаптации блокчейна с  позиции теории диффузии инноваций, условий достижения консесуса и особенностей реализации экономико-социологических подходов к достижению консенсуса. В результате исследования сделаны следующие новые системные выводы. Блокчейн и распределенные реестры не являются принципиально новыми технологиями и в целом не обладают приписываемыми им свойствами неизменности хранения данных, достижения доверия, анонимности, низкой стоимости транзакций и  дешевизной внедрения. Все существующие технологии консенсуса обладают фундаментальными недостатками. Технология криптовалют оригинальна, но была частным экспериментальным решением конкретной идеологической проблемы либертарианской политической повестки. Консенсус не обеспечивает доверия. Задержка внедрения блокчейна в традиционных финансовых институтах закономерна, поскольку технология не показывает результатов лучше, чем текущие цифровые решения, а традиционные экономические институты имеют большее общественное доверие. Практическая значимость выводов исследования заключается в том, что они могут быть использованы инвесторами.</p></abstract><trans-abstract xml:lang="en"><p>The article analyzes the main reasons for the slow adoption of blockchain technology, in particular, in the financial sector. The authors critically analyzed the main declared properties of blockchain technologies: trust, security, decentralization, immutable data storage, lack of intermediaries, hardware protection against attacks, and openness. The aim of the study are to show that these blockchain properties are overestimated, the expectations of its adoption are inflated, and the delays in its adaptation outside of cryptocurrencies, in particular, in the financial sector, are natural. The article is based on a methodology for the qualitative and quantitative analysis of scientific publications and statistical sources on the blockchain adaptation from the perspective of the theory of diffusion of innovations, the conditions and the specifics of economic and sociological approaches for consensus-building. The study resulted in the following new systemic findings. Blockchain and distributed ledgers are not fundamentally new technologies. In general, they do not have the properties of the immutable data storage, trust, anonymity, low transaction and adoption costs. All current consensus technologies have fundamental faults. Cryptocurrency technology is original, but it was a private experimental solution to a specific ideological problem of the libertarian political agenda. Consensus does not provide trust. Delayed blockchain adoption, in particular in traditional financial institutions, is natural, since the technology does not show better results than current digital solutions, and traditional economic institutions have greater public trust. The practical implications of the findings are that they may be used by investors.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>цифровая экономика</kwd><kwd>блокчейн</kwd><kwd>базовая технология</kwd><kwd>консенсус</kwd><kwd>византийская проблема</kwd><kwd>доказательство работы</kwd><kwd>криптовалюта</kwd><kwd>доверие</kwd><kwd>смарт-контракт</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Autore D.M., Clarke N., Jiang D. Bitcoin speculation or value creation? Corporate Blockchain investments and stock market reactions. SSRN Electronic Journal. 2019. 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