According to Whale Alert, a massive quantity of Bitcoin is on the move, previously linked to the 2016 Bitfinex exchange hack. Two such instances were noticed wherein Bitcoins worth more than $750 million have been transferred to some unknown wallet. Reportedly, more than 20,000 Bitcoins have been moved in two different transactions of 10,000 BTC each. For the second time over the last year, hackers have been moving funds stolen from the 2016 Bitfinex hack.