Why are cryptocurrency adverts taking over the Super Bowl?

This Sunday the Los Angeles Rams will meet the Cincinnati Bengals in Super Bowl LVI. But the game is about more than just sports - it’s also about the adverts.

With an estimated TV audience of more than 100 million, it's the biggest single opportunity for advertisers to try to stand out and build buzz. This year several cryptocurrency companies have entered the fray.

But a Super Bowl spot doesn't always guarantee success.