<p><img src="https://images.cointelegraph.com/cdn-cgi/image/format=auto,onerror=redirect,quality=90,width=840/https://s3.cointelegraph.com/uploads/2023-05/4e7271ea-2651-4c89-9147-246b1038456a.jpg"></p><p>Bitcoin is setting up a classic four-year buying opportunity, commentators say, with the next halving just one year away.</p>