Ten years ago, Sandra Ro was working in finance in London when some currency-trading friends told her about bitcoin. The cryptocurrency had been released only a couple of years previously and was still far from a global phenomenon.
“Bitcoin was only really known in geeky tech circles and eventually currency traders in London found out about it around 2010,” says Ro. She invested in the cryptocurrency, made a substantial fortune and is now chief executive of the Global Blockchain…
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