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      <title-group>
        <article-title>Blockchain Technology and Applications</article-title>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author">
          <string-name>Tutorial Abstract</string-name>
          <xref ref-type="aff" rid="aff0">0</xref>
        </contrib>
        <aff id="aff0">
          <label>0</label>
          <institution>HU University of Applied Sciences</institution>
          ,
          <addr-line>Utrecht</addr-line>
          ,
          <country country="NL">Netherlands</country>
        </aff>
      </contrib-group>
      <abstract>
        <p>A blockchain is a public ledger to which everyone has access but without a central authority having control. It is an enabling technology for individuals and companies to collaborate with trust and transparency. One of the best know applications of blockchains are the cryptographic currencies such as Bitcoin and others, but many other applications are possible. Blockchain technology is considered to be the driving force of the next fundamental revolution in information technology. Many implementations of blockchain technology are widely available today, each having its particular strength for a specific application domain. The tutorial provides the participants with insights and practical experience on Blockchain technology and applications in practice, as well as theory based exploration of possible business cases.</p>
      </abstract>
      <kwd-group>
        <kwd>Blockchain</kwd>
        <kwd>Bitcoin</kwd>
        <kwd>Cryptographic currency</kwd>
        <kwd>Blockchain applications</kwd>
      </kwd-group>
    </article-meta>
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      <title>-</title>
      <p>A blockchain is a public ledger to which everyone has access but without a central
authority having control. It is an enabling technology for individuals and companies to
collaborate with trust and transparency. One of the best know applications of
blockchains are the cryptographic currencies such as Bitcoin and others, but many other
applications are possible. Blockchain technology is considered to be the driving force of
the next fundamental revolution in information technology. Many implementations of
blockchain technology are widely available today, each having its particular strength
for a specific application domain.</p>
      <p>The tutorial provides the participants with insights and practical experience on
Blockchain technology and applications in practice, as well as theory based exploration
of possible business cases.</p>
    </sec>
    <sec id="sec-2">
      <title>Theme and Topics</title>
      <p>The target audience will be students and researchers interested in Blockchains, the
underlying concepts and technologies, its impact on business models and possibilities for
process improvement, as well as practitioners aiming to learn theory and practice on
Blockchains.</p>
      <p>The tutorial is self-contained and derived from a winter school/summer school
organized by HU University of Applied Sciences Utrecht</p>
      <p>The tutorial will cover the following topics:
 Introduction to blockchains: what is a blockchain, what cryptographic technologies
are used, why does it work?
 Digital currency: how are blockchains used as the backbone technology for digital
currencies like Bitcoin?
 Smart contracts: what is a smart contract, how can it be used?
 Etherium and solidity: a short introduction to Etherium and its programming
language solidity.
 Discussion: wrap-up and discussion about the topics presented.
3</p>
    </sec>
    <sec id="sec-3">
      <title>Related Courses</title>
      <p>The material presented in this tutorial is also taught in a 5 day track at our Winter and
Summer schools. One may refer to
https://www.utrechtsummerschool.nl/courses/business/blockchains-theory-and-practice for a more detailed information. The tutorial
contains information presented during these 5 days, but is of course much more limited in
detail.</p>
    </sec>
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