<p><img src="https://images.cointelegraph.com/images/528_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS91cGxvYWRzLzIwMjUtMTIvMDE5YjI1ODYtMWViMi03ODA2LWE5M2ItOWVlMWNlNWU5MzI1LmpwZw==.jpg" alt="Bitcoin sharks stack at fastest pace in 13 years, with BTC down 30%"></p><p>Past record spikes in Bitcoin accumulation preceded major rallies, including a 900% surge in 2012 and a 350% rise in 2011.</p>