'Who is to blame?' One of the world's highest-earning MLM'ers, and former top OneCoin seller, agrees to talk.

'Who is to blame?'

One of the world's highest-earning Multi-Level-Marketers and former OneCoin top seller agrees to speak. In his mansion on the outskirts of Amsterdam, Jamie learns the secret behind OneCoin's rapid growth and the huge amounts of money that has been made by those at the top.

The Missing Cryptoqueen is an eight-part series for BBC Sounds, with new episodes every Thursday.

Presenter: Jamie Bartlett

Producer: Georgia Catt

Editor: Philip Sellars

Original music and sound design: Phil Channell

Original music and vocals: Dessislava Stefanova and the London Bulgarian Choir

Written and researched by Jamie Bartlett and Georgia Catt