#GRFC18 Julien Marcadé, #blockchain Practice Director @Primissas explained how #Railways can take benefit from this technology pic.twitter.com/EEDXt0gCFl
— UIC railways (@uic) June 27, 2018
from Twitter https://twitter.com/willyrozan
June 27, 2018 at 05:44PM
via IFTTT