This is not good news in crypto currency industry, added to the declining value of digital assets. The hacked is not new, the BTC moved to unknown wallet. It seems the organized hackers are starting to move their stolen BTC, maybe to cash out or fund a project.

"A chunk of the inactive Bitcoins (BTC) stolen in the 2016 Bitfinex exchange hack has moved from the hacker's wallets to an unknown wallet on Tuesday, as detected by blockchain analytics bot Whale Alerts.

Twenty transactions involving the stolen Bitcoins were flagged. A sum of 64,641.29 BTC, worth almost $2.5 billion at the time of writing, was moved. This is more than half of the total amount seized by the hackers, which is estimated to be around 120,000 BTC."

Continue reading: https://cointelegraph.com/news/2-5b-in-stolen-btc-from-bitfinex-hack-awakens