https://news.bitcoin.com/previously-inactive-whales-are-moving-large-amounts-of-btc/

>Earlier this week, armchair sleuths began pointing out that large amounts of cryptocurrency from long-dormant addresses have been on the move. For instance, one wallet that’s been inactive since its inception in 2013 recently moved 66,452 BTC — worth around $245 million — to an unknown address. Hours later, a few more addresses from the top 20 rich list moved another $728 million worth of BTC.