--FILE--A netizen browses a logo of TRON, an internet blockchain technology company, on his smartphone in Shanghai, China, 12 June 2019. Sun Yuchen, the 28-year-old Chinese businessman who announced his cancellation of a lunch meeting with US billionaire Warren Buffett, was suspected of illegal funding, money laundering, brokering prostitution deals and gambling activities, a Chinese media outlet reported on Tuesday. His company TRON, an internet blockchain technology company, raised funds worth 400 million yuan through an Initial Coin Offering �� an illegal financing method that has been banned by Chinese financial regulators �� according to a Chinese-language report from the 21st Century Business Herald.