Odaily Planet Daily News Blockchain tokenization platform Holograph said that according to an internal investigation, a disgruntled former contractor was responsible for the attack on the blockchain tokenization platform Holograph. On June 13, a hacker used the Holograph protocol to mint 1 billion native Holograph (HLG) tokens worth $14.4 million, causing the value of the HGL token to fall by nearly 80% within 9 hours of the attack. (Cointelegraph)