Japanese crypto exchange DMM Bitcoin confirmed on Friday that it had been victim of a hack resulting in the theft of 4,502.9 bitcoin, or about $305 million. According to crypto security firm Elliptic, this is the eighth largest crypto theft in history. DMM Bitcoin said it detected “an unauthorized leak of Bitcoin (BTC) from our wallet” on Friday, and that it was still investigating and that it had taken measures to stop further thefts.