García Andraca, M. T., Y. Hernández Calderón, Y. Vázquez Alfonso, and L. E. Velastegui Lopez. “Blockchain Technology, an Alternative to Revolutionize the Cuban Tourism Sector”. Explorador Digital, Vol. 6, no. 1, Feb. 2022, pp. 31-50, doi:10.33262/exploradordigital.v6i1.2078.