The Rise and Fall of Cryptocurrencies

We've talked a lot about Bitcoin, but nowadays there's a whole world of thousands of other cryptocurrencies out there. Eva owns 10 pounds worth of Ethereum and can show you how it has gone up in value over the last few months. Drake is a researcher from Ether 2.0 who works on this stuff. We'll also look at some people who are trying to do better by using proof of stake instead of R&D.