A Chinese woman is convicted in what's thought to be the world's biggest Bitcoin seizure case.

Live from the UK, this is the Marketplace Morning Report from the BBC World Service.

I'm William Lee Adams. Good morning.

A Chinese national in London has pleaded guilty to illegally acquiring and possessing Bitcoin

as part of a multi-billion dollar fraud.

The case involved what's thought to be the single largest cryptocurrency seizure in the world

worth more than $6 billion.

Jamin Chen fled China with 61,000 bitcoins after cheating more than 120,000 victims.

She tried to launder the money through buying properties across London.

She's now being held in custody ahead of sentencing. The BBC's Stephanie Prentice has more.

When police raided a house in a leafy London borough in 2018, while investigating a suspicious

property purchase, they had no idea of the value of the belongings

they seized. Among them, devices containing Bitcoin. It was being stored by Jemine Chen

and her assistant, former Chinese takeaway worker Jian Wan, and is thought to be the proceeds

of an investment fraud in China between 2014 and 2017,

which tricked more than 120,000 people.

It wasn't until 2021 that investigators realised they'd been storing billions of dollars,

by which point to mean Chen had gone missing, only being apprehended

in the north of England three years later. Her lawyers say she fled China under duress, citing a

government crackdown on crypto entrepreneurs and stressed that she intends to pay the money back.

A digital diary found by police outlined her plans to build a small kingdom between Croatia and Serbia

that she intended to rule with the crown and scepter, featuring infrastructure, including

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