Blockchain can help break the chains of modern slavery, but it is not a complete solution
- Written by Martijn Boersma, Lecturer, University of Technology Sydney

There’s a good chance the device on which you are reading this contains cobalt. It’s an essential metal for batteries in phones and laptops. There’s also a chance the cobalt was mined by...
Read more: Blockchain can help break the chains of modern slavery, but it is not a complete solution