According to Foresight News, the full-chain NFT protocol Holograph tweeted that its Operator contract was hacked and hackers minted an additional 1 billion HLG tokens. The team has patched the initial vulnerability and is currently working with trading platform partners to lock down malicious accounts and contact law enforcement. Affected by the incident, the price of HLG fell by more than 50% in 24 hours and is now reported at 0.007 USDT.