PANews reported on December 17 that Metaplanet Inc., a Japanese listed company, announced the issuance of the fourth series of ordinary bonds with a total amount of 4.5 billion yen (about 30 million US dollars). The funds raised will be used to accelerate the purchase of Bitcoin. The annual interest rate of the bonds is zero and is expected to mature on June 16, 2025. The redemption funds of the bonds will be paid mainly through the exercise proceeds of the previously issued warrants. In addition, Metaplanet plans to further expand its capital operation capabilities through multiple issuances in the future, totaling up to 5 billion yen in private placement bonds.