Blockchain is the digital technology that underpins cryptocurrencies such as bitcoin, and has been proposed as the digital panacea of our times.

But Leeza Osipenko, from the London School of Economics, has thought about how it could actually be used in clinical trials, and what else would need to change in our regulatory environment to make that work.

Read her full essay:

https://www.bmj.com/content/367/bmj.l5561