Odaily Planet Daily News According to a report by blockchain intelligence company TRM, the amount of cryptocurrency losses due to hackers and network vulnerabilities in the first half of this year has more than doubled to $1.38 billion. Among them, five major attacks accounted for 70% of the total amount of stolen cryptocurrency. Despite this, the amount of theft in the first half of this year is still lower than the nearly $2 billion in the first half of 2022. TRM pointed out that hackers mainly carry out thefts by obtaining private keys and mnemonics. The largest attack this year occurred on the Japanese exchange DMM Bitcoin, with the value of stolen bitcoins exceeding $300 million and involving more than 4,500 tokens. At present, the specific cause of the attack has not yet been determined.