FILE PHOTO - A monitor shows various cryptocurrencies' exchange rates against Japanese Yen including NEM coin (middle in the top) at 'nem bar', where customers can pay with NEM coins, in Tokyo, Japan January 29, 2018. REUTERS/Kim Kyung-Hoon

TOKYO (Reuters) - Japan’s top financial diplomat Masatsugu Asakawa said on Thursday that G20 finance leaders would raise the issue of cryptocurrencies at their meeting in Buenos Aires in March.

Asakawa, vice finance minister for international affairs, told a symposium that Japan would “actively engage” in G20 debate on cryptocurrencies.