The key challenges of blockchain implementation in maritime sector: summary from literature and previous research findingsTsiulin, Sergey; Reinau, Kristian Hegner; Hilmola, Olli-Pekka KristianProcedia computer science2023 / p. 348-357 https://doi.org/10.1016/j.procs.2022.12.230 Conference Proceedings at Scopus Article at Scopus