An optimized blockchain solution for the IBM z14[J] IBM JOURNAL OF RESEARCH AND DEVELOPMENT 2018(62) Mencias, A. Nunez Dillenberger, D. Novotny, P. Toth, F. Morris, T. E., Jr. Paprotski, V Dayka, J. Visegrady, T. O'Farrell, B. Lang, J. Carbames, E.
