DMM Bitcoin, a division of DMM Group, has recently experienced a major breach in its security system, leading to the unfortunate theft of 4,502.9 bitcoin (BTC), which is valued at around $303 million. This incident was detected by the Japanese cryptocurrency exchange at 1:26 p.m. on Friday, May 31, 2024. In light of this incident, DMM Bitcoin has taken immediate action to reassure its customers that all the funds that were stolen will be fully reimbursed. To ensure this, the company will be acquiring the equivalent amount of bitcoin from its group companies.