Naomi Clarke,BBC Newsbeat
In 2020 seven nations signed the agreement to establish principles on how countries should co-operate on the Moon's surface.
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Blockchain already being adopted by some big-name companies, such as Walmart, AIG, Siemens, Pfizer, and Unilever. For example, IBM's Food Trust uses blockchain to track food's journey before reaching its final destination.
The Winslow pub closed last month after serving pints to Everton players, managers and fans for 140 years