According to the Daily Star, Tiantian 'TT' Kullander, who founded digital asset company the Amber Group, was just 30 when he died in November 2022, a spokesperson for the company confirmed. The company said in a statement: "He put his heart and soul into the company, in every stage of its growth. He led by example with his intellect, generosity, humility, diligence and creativity.

Kullander leaves behind a wife and son and his untimely death has reportedly sent shockwaves through the financial sector. The firm added: "TT was a devoted husband, a loving father, and a fierce friend. His passing is a tragedy and our thoughts and prayers are with his family."

The Amber Group was founded in 2017 and, based out of Singapore, now has a "presence in Athens, Geneva, Dubai, Hong Kong, Istanbul, London, Mexico City, Taipei, Tokyo, Vancouver, and Zurich," according to its website.

The company was recently valued at a whopping $3 billion, but with the value of cryptocurrencies crashing in recent months, it had taken a hit.

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Amber Group cut 10% of its staff this year as a result of the situation, with Kullander telling Bloomberg in September that it was "reducing headcount in roles that are lower in priority given market conditions and increasing headcount in roles that are higher priority".  Read more here.