[Bitfinex: Whales Accumulate Over 270,000 Bitcoins in 30 Days, Marking the Largest Buying Frenzy Since 2013] BlockBeats reported on April 16 that Bitfinex's official social media stated whales have accumulated over 270,000 Bitcoins within 30 days, marking the largest buying frenzy since 2013. In addition, the Bitcoin balance on the exchange is at its lowest point since December 2017.