There is a little corner of the energy market that gets very little coverage. But after a cold winter in Europe last year, the continent has failed to fill its storage tanks for the next six months. That failure has sent gas prices surging. This is not just a problem for Europe; the rest of the world could go without as rich countries corner the market, in a similar way to vaccines. Simone Tagliapietra, a senior fellow at think-tank Bruegel, explains what is behind the crisis. And Abayomi Michael, chief executive of Asset and Equity, discusses Nigeria's decision to introduce a digital currency.