Few solid clues have emerged as to the true nature of Megaspeed, whose former director Alice Huang has been accused of being a Chinese spy

• Get our breaking news email, free app or daily news podcast

• From washing dishes at Denny’s to rockstar of AI: the rise and fall of Jensen Huang

A lottery retailer in rural Australia, a dilapidated storefront in Kuala Lumpur, and a near-empty office in Singapore: the global facades of Megaspeed International, the company linked to the downfall of Nvidia chief Jensen Huang, form a puzzling corporate picture.

The company, which is registered in Singapore, has registered affiliates across the US, Asia and Australia, but individuals at its offices say they know nothing about the cloud computing firm at the centre of a global spy scandal.