<p><img src="https://images.cointelegraph.com/images/840_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS91cGxvYWRzLzIwMjQtMDMvNWRmODI1YzEtZDU5Zi00MDFhLWI1MzQtMzllY2EzN2I2ZGYwLmpwZw==.jpg"></p><p>Bitcoin is struggling to sustain above $70,000, indicating that the long-lasting rally could be tiring out. </p>