In the final weeks of 2021 it was impossible for a football fan to scroll through their social media feeds and not see a current or former player posting a cartoon image with the end game of making some money.
But by the time the average fan had gotten their heads around the concept of Non Fungible Tokens, it appeared that the bubble had already burst.
Crypto and the blockchain are sticking around despite the crashes in value - the latest plummet coming when Sam Bankman-Fried's FTX collapsed shortly before Christmas - and warnings for people looking to invest without a full understanding of how it all works.