Joe Tidy and Sarah Mulkerrins investigate the growing presence of cryptocurrency technology in the world of football. Some of the biggest clubs in the world are selling NFTs and their own cryptocurrencies, making hundreds of millions of dollars. But what's in it for fans? We speak to the millionaire collector who's buying up official Manchester City NFTs, and to the football fans investing in digital player cards changing hands for tens of thousands of dollars. Plus the company that’s signed up dozens of major clubs across the world to sell fan tokens. Buying them is supposed to make you feel more connected to your club, but are they putting fans at risk in the unpredictable crypto market?

Photo: Premier league champions Manchester City are one of the big clubs investing in the crypto world. Credit: Getty Images)