Why did the brothers leave finance for quantum encryption?

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The brothers left finance and investment careers to build their quantum encryption technology after Lim secured a US patent on Diophantine-equation based encryption.
Lim Meng Liang, 38, and his older brother Ken Lin, 45, left their finance and investment careers to found Aires Applied Quantum Technology in 2023, following Lim’s US patent for applying Diophantine equations to data encryption. The available details link the career change directly to developing and commercialising that encryption approach, rather than to any other stated dissatisfaction with their previous work.
The patent that preceded the company’s founding
The shift happened in 2023, when Lim secured a US patent tied to using Diophantine equations for data encryption. The encryption is described as based on mathematical problems that are long considered impossible to solve, and that patent is the clearest pre-company milestone cited.
The focus of their work at Aires Applied Quantum Technology
Aires’ flagship product, LionGuard, is a subscription-based mobile app that encrypts files stored on devices, cloud systems, or networks using sender-generated keys. The brothers say the method is designed to withstand attacks from future quantum computers, which experts warn could break today’s encryption faster than traditional machines.
What the public-facing rationale was for the career change
The information provided ties their departure from finance to building a company around the encryption method itself, with no additional stated motive beyond development of the technology. They position the work as moving from theory to commercial use, including practical questions from organisations about integration and deployment timelines.
Early traction and commercialisation indicators
Aires has raised more than US$2 million (RM8.3 million) from private investors and government agencies, and LionGuard is in beta with over 100 enterprise subscribers. The company also holds four international patents, and pilots for QR-code and barcode security are underway in Europe, reinforcing that the work they pursued after leaving finance was aimed at deployment.

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Why did the brothers leave finance for quantum encryption?

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