Blockchain was born only 8 years ago and has always been overshadowed by the Bitcoin cryptocurrency which is based on this technology. This technological infrastructure provides Bitcoin with all the benefits: security, reduced operating costs, immediacy, transparency… At present, it has become a trend for many solutions in various sectors such as logistics, agri-food, industry, etc.

The Blockchain technology is essentially a mechanism that allows to establish a consensus on the status of a digital database, shared within a community, in which users do not need to know or trust each other to be sure that what appears in that record is true. We can apply blockchain to any digital exchange where these premises are met. Blockchain is the result of a brilliant combination of different techniques: encryption, timestamping, P2P, PoW/PoS, which have made its success possible.
Moreover, they have been integrated in such way that the system does not crash, any element that is added to a block and linked to the chain, remains unchanged once published, and more blocks are built on top.

Our world is constantly evolving and there are already a series of tools that make the implementation of this technology relatively easy, such as Ethereum, Hiperledger Fabric, etc.

Posted by Juan M. Corchado

Juan Manuel Corchado (15 May 1971, Salamanca, Spain) is Professor at the University of Salamanca. He has been Vice-Rector for Research from 2013 to 2017 and Director of the Science Park of the University of Salamanca. Elected as Dean of the Faculty of Science twice, he holds a PhD in Computer Science from the University of Salamanca and a PhD in Artificial Intelligence from the University of the West of Scotland. He leads the renowned BISITE (Bioinformatics, Intelligent Systems and Educational Technology) Research Group, created in 2000. Director of the IoT Digital Innovation Hub and President of the AIR Institute, J. M. Corchado is also Visiting Professor at the Osaka Institute of Technology since January 2015, Visiting Professor at the Universiti Malaysia Kelantan and Member of the Advisory Group on Online Terrorist Propaganda of the European Counter Terrorism Centre (EUROPOL). J. M. Corchado has been president of the IEEE Systems, Man and Cybernetics Society, and academic coordinator of the University Institute for Research in Art and Animation Technology at the University of Salamanca, as well as researcher at the Universities of Paisley (UK), Vigo (Spain) and the Plymouth Marine Laboratory (UK). He currently combines all his activity with the direction of Master programmes in Security, Digital Animation, Mobile Telephony, Information Systems Management, Internet of Things, Social Media, 3D Design and Printing, Blockchain, Z System, Industry 4.0, Agile Project Management, and Smart Cities & Intelligent Buildings, at the University of Salamanca and his work as editor-in-chief of the journals ADCAIJ (Advances in Distributed Computing and Artificial Intelligence Journal), OJCST (Oriental Journal of Computer Science and Technology) or Electronics MDPI (Computer Science & Engineering section). J. M. Corchado mainly works on projects related to Artificial Intelligence, Machine Learning, Blockchain, IoT, Fog Computing, Edge Computing, Smart Cities, Smart Grids and Sentiment Analysis. He has recently been included in the board of trustees of the AstraZeneca Foundation, along with other health professionals and researchers recognised for bringing scientific knowledge closer to society.

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