Episode

Great Moments In Science - with Dr Karl Kruszelnicki

ABC Radio National

Science & Medicine

From the ground breaking and life saving to the wacky and implausible, Dr Karl Kruszelnicki reveals some of the best moments in science.

Website

Value of money is based on trust

June 21st, 2016

Episode 105 of 126 episodes

The worth of all currencies from stone coins to Bitcoins is based on people trusting the transaction system. Just ask the people of Yap, writes Dr Karl.

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