2018-07-31, 10:30
Blockchain could track cannabis sales and other news
BBC Click's Jen Copestake looks at some of the week's top technology stories.
https://www.bbc.co.uk/news/technology-44878784
BBC Click's Jen Copestake looks at some of the week's top technology stories.
https://www.bbc.co.uk/news/technology-44878784