Eric Trump, one of the final acts in Hong Kong’s biggest gathering of cryptocurrency enthusiasts, praised the city and China during his fireside chat with the organiser of the Bitcoin Asia conference.“There is no question that you have made an unbelievable mark on cryptocurrencies,” said the second son of the US President Donald Trump in his chat with Bitcoin Asia’s CEO David Bailey. “There is no question that China is a hell of a power when it comes to this.”The younger Trump, who was in Hong...