With cryptomarkets in turmoil, files seen by the BBC suggest an unlikely Bitcoin investor may have also lost a fortune - "the missing cryptoqueen", Dr Ruja Ignatova. The scammer disappeared in 2017 as her cryptocurrency OneCoin was at its height - attracting billions from investors. Fraud and money-laundering charges in the US have led to her becoming one of the FBI's 10 most wanted fugitives. The Oxford-educated entrepreneur told investors she had created the "Bitcoin killer", but the files suggest she secretly amassed billions in her rival currency before she disappeared. Details first surfaced in 2021 in leaked ... (full story)