Metaplanet (3350), the largest bitcoin (BTC) treasury company in Japan, said it established two subsidiaries — one in Japan and one in the U.S. — and bought the bitcoin.jp domain name as it strengthens its commitment to the largest cryptocurrency. Bitcoin Japan Inc., will be based in Tokyo and manage a suite of bitcoin-linked media, conferences and online platforms, including the internet domain and Bitcoin Magazine Japan. The U.S. unit, Metaplanet Income Corp., will be based in Miami and focus on genera ...