A 2009 Bitcoin whale has sold $4.8 million worth of BTC, moving $624,000 to Kraken.The whale holds 1,149 BTC worth $69.94 million and is selling 10 BTC twice weekly.Bitcoin dropped 2.45% as market analysts view the whale’s activity as a bearish signal.Whale's decision to sell now raises questions about market downturn or cashing in on over a decade of Bitcoin holdings.