Who was Tiantian Kullander, Hong Kong’s crypto king? The Amber Group co-founder’s shocking death at age 30 has sparked debate over what happened – TT will be remembered as a family man and tech guru

• Amber Group announced on its website that its billionaire co-founder TT died on November 23, ‘in his sleep’ at age 30, but there was no mention of how it happened, where or why
• He previously worked at Morgan Stanley and Goldman Sachs, and his passing has sparked conspiracy theories after crypto millionaire Nikolai Mushegian also died last month