**Author details**

Paula Fraga-Lamas1,2 and Tiago M. Fernández-Caramés1,2\*

1 Faculty of Computer Science, Department of Computer Engineering, Universidade da Coruña, A Coruña, Spain

2 CITIC Research Center, Universidade da Coruña, A Coruña, Spain

\*Address all correspondence to: tiago.fernandez@udc.es

© 2021 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

*Introductory Chapter: Opportunities and Challenges on the Convergence of Blockchain… DOI: http://dx.doi.org/10.5772/intechopen.101389*

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## **Chapter 2**
