The world's first cryptocurrency Bitcoin was created in 2009. The idea of digital money was born out of the global recession when distrust of centralised banks was at an all-time high. But 13 years and thousands of new cryptocurrencies later, how far has the technology come? Read on to find out everything you need to know about Bitcoin, Ethereum, stablecoins... and the recent crypto crash that's cost the market $1 trillion (£829bn). All dollar values in US dollars.