South Koreans are most active in searching for Bitcoin and other cryptocurrencies at 7 a.m., according to Google Trend.

They surf through blockchain and cryptocurrency news most through mobile phones during their commute to the office through the subway, Google said.

South Korea accounts for about 30 percent of global cryptocurrency trading. Many South Korean salaried persons invest about 30 percent of their monthly income in cryptocurrencies, it said.

It predicted that South Koreans would play a critical role in setting the trend in the global cryptocurrency market.