Page 56 - U4SSC Blockchain for smart sustainable cities
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All  applications  are  recorded  in  real  time  and   This  case  demonstrates  the  use  of  smart
               the blockchain ensures that no one can  make    technology to contribute to the areas of smart
               changes  to  the  applications  or  the  allocation   governance  and  smart  economy.  As  input,
               decisions. Previously, the applications could only   the  intervention  makes  use  of  blockchain  to
               be viewed by government agencies; however, the   make  decisions  pertaining  to  the  allocation  of
               data from the blockchain can be now accessed    sites  transparent.  The  necessity  to  maintain  a
               by  anyone  who  wants  to  check  the  records.   permanent record, and the requirement of the
               (The software can be downloaded and installed   system to share the writing access, have been
               on any computer.) The decisions are accessible   justified by the processing of digital assets.
               to anyone who can use the technology to see     The  transformation  that  is  facilitated  includes
               them, leaving applicants in no doubt about the   automating  the  comparison  of  applications
               results and the fairness of the process.        using  smart  contracts  and  providing  the
               The  new  system  has  reduced  suspicion  and   applicants  with  transparent  information  about
               mistrust  in  the  departments  that  organize   the allocation of sites. This case also included a
               the  fairs.  Fair  participants  have  commented   new approach to developing the system using a
               positively on the new system. Even those who    specially assembled team.
               initially  considered  blockchain  complicated,   The  outcomes  of  the  intervention  include  the
               have  been  able  to  understand  the  process   new technology solution, as well as the benefits
               and  access  the  information.  Hence,  once  of   of increased trust and reduced conflict over the
               the positive outcomes of the system has been    allocation of trading sites. All this takes place in
               to  expose  residents  to  new  technologies.  The   a context in which there is a need for economic
               result is a trustworthy system that has increased   opportunity  that  coincides  with  a  demand  for
               transparency  and  satisfaction.  The  system  was   food  and  other  products.  The  intervention
               developed  by  a  special  team  assembled  for   is  supported  by  the  values  of  fairness  and
               the project. This team has developed skills and   transparency.
               collected evidence of the success of this project
               for creating a good basis to implement blockchain   The project has resulted in a team with the skills
               technology to improve other city services.      to develop blockchain solutions and has proved
                                                               that such systems can be useful. This opens up
                                                               the  possibility  of  creating  similar  solutions  for
                                                               other city challenges.


               Lesson learned

               •  Is the solution appropriate for another context inside a smart, sustainable city?
               •  It is important to highlight regulations and ethical issues beyond the technology the social aspects.
               •  There is a certain level of trust between the users and the city. In this scenario, enhanced transpar-
                  ency could be afforded by blockchain technology to convince people that processes in government
                  are being applied fairly.
               •  Blockchain technology can be understood and used by city residents.
               •  The success of the project depends on being able to assemble a team of suitably skilled technical
                  staff.













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