<p><img src="https://images.cointelegraph.com/images/840_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS91cGxvYWRzLzIwMjQtMDUvNDJjM2RhNjItZjgxZC00NjdjLTlhZjgtYzk0YmU4MGJhN2JiLmpwZw==.jpg"></p><p>Bitcoin could be preparing its "main breakout" if RSI traits follow the run-up to old $20,000 highs from late 2017.</p>