Mona Coin is the first Japanese cryptocurrency where more than 90% of the users are Japanese. It was made for peer-to-peer digital transactions. Started in 2013, MonaCoin gained popularity fast, and in 2014 it was already placed in the top 10 cryptocurrencies. In circulation are 105,120,000 coins in total, and none were pre-mined before the official launch. The algorithm used is Lyra2REv2 with 1.5 minutes per block.The name Mona comes from a famous cat-like meme in the site 2chan. This cryptocurrency shares many similarities with Bitcoin. Besides being known as the Japanese version of Bitcoin, the creator's identity is also unknown. He is only known by his nickname - Mr. Watanabe. In Japan, MonaCoin is so widespread that it is used for payment in some online and physical stores. It was recognized and approved by Japan‘s Financial Services Agency.