Crypto Regulation: Why Japan Is Urging Its Global Counterparts To Oversee Crypto ‘Bank Style'  

During the early years of bitcoin wherein crypto regulation around the asset class was lax, Japan was among countries that traded and managed it. Mt. Gox, which was once known as the largest crypto exchange, was the home of the early Bitcoin in the Land of the Rising Sun.

https://bitcoinist.com/crypto-regulation-japan/