Members of Japan's idol group “Virtual Currency Girls” wearing cryptocurrency-themed masks perform in their debut stage event in Tokyo, Japan, January 12, 2018. Each of the group’s 8 members represents a cryptocurrency that is popular in the Japanese market. According to local publications, 18-year-old Naruse Rara who represents bitcoin cash (BCH) is the leader of the group. Representing bitcoin (BTC) is 16-year-old Hinano Shirahama. 22-year-old Suzuka Minami is neo (NEO). 17-year-olds Kanako Matsuzawa and Koharu Kamikawa are cardano (ADA) and nem (XEM) respectively. 15-year-old Hinata Kozuki is ripple (XRP). Ether (ETH) and monacoin (MONA) are represented by Ami Amo and Momo Aisu respectively; the two did not disclose their ages. (Photo by Kim Kyung-Hoon/Reuters)





Members of Japan's idol group “Virtual Currency Girls” wearing cryptocurrency-themed masks perform in their debut stage event in Tokyo, Japan, January 12, 2018. Then they launched into “The Moon, Cryptocurrencies and Me”, a stirring anthem incorporating lines such as “Be careful about your password! Don't use the same one!” to warn against the dangers of trading cryptocurrency. (Photo by Kim Kyung-Hoon/Reuters)





Members of Japan's idol group “Virtual Currency Girls” wearing cryptocurrency-themed masks perform in their debut stage event in Tokyo, Japan, January 12, 2018. The Japanese pop group hopped on the bitcoin bandwagon on Friday, dedicating themselves to singing and dancing about the cryptocurrencies that have taken the world by storm, and especially their homeland. (Photo by Kim Kyung-Hoon/Reuters)





Members of Japan's idol group “Virtual Currency Girls” wearing cryptocurrency-themed masks perform in their debut stage event in Tokyo, Japan, January 12, 2018. In their debut, the eight “Virtual Currency Girls”, or Kasotsuka Shojo in Japanese, cavorted in maid costumes with frilly skirts and full-face professional wrestling-style masks with fuzzy pom-pom ears, extolling the virtues of decentralized digital currencies such as bitcoin. (Photo by Kim Kyung-Hoon/Reuters)





Members of Japan's idol group “Virtual Currency Girls” wearing cryptocurrency-themed masks perform in their debut stage event in Tokyo, Japan, January 12, 2018. Each group member adopted the guise of a different cryptocurrency, offering a brief self-introduction to 20 fans gathered at the venue in downtown Tokyo. (Photo by Kim Kyung-Hoon/Reuters)





Members of Japan's idol group “Virtual Currency Girls” wearing cryptocurrency-themed masks perform in their debut stage event in Tokyo, Japan, January 12, 2018. (Photo by Kim Kyung-Hoon/Reuters)





Members of Japan's idol group “Virtual Currency Girls” wearing cryptocurrency-themed masks perform in their debut stage event in Tokyo, Japan, January 12, 2018. (Photo by Kim Kyung-Hoon/Reuters)





Members of Japan's idol group “Virtual Currency Girls” wearing cryptocurrency-themed masks perform in their debut stage in Tokyo, Japan, January 12, 2018. Japanese female idols have teamed up to form the ‘Virtual Currency Girls’ group to promote the knowledge of cryptocurrencies through entertainment. Each of its 8 members represents a cryptocurrency: bitcoin cash, bitcoin, ether, neo, nem, ripple, mona, and cardano. (Photo by Kim Kyung-Hoon/Reuters)





Members of Japan's idol group “Virtual Currency Girls” wearing cryptocurrency-themed masks perform in their debut stage in Tokyo, Japan, January 12, 2018. Japan and South Korea are home to some of the bigger digital exchanges, with investors piling in as growth in bitcoin and other cryptocurrencies soared last year, provoking regulators' concerns. (Photo by Kim Kyung-Hoon/Reuters)