Facebook has announced a new digital currency called Libra.

It will roll out for use in 2020 and allow users across the globe to make financial transactions online.

Facebook is already facing increasing calls for regulation and antitrust measures, and this move will just add to the scrutiny.

Lory Kehoe is the managing director at ConsenSys, a leading blockchain technology company.

He joined Ivan to give him the 'Idiot's Guide'.