<p><img src="https://images.cointelegraph.com/images/840_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS9zdG9yYWdlL3VwbG9hZHMvdmlldy9lMWMwODFhZGYzNjdmMzNmOGEzZTdiZGI1ZWRiOGZiYy5qcGc=.jpg"></p><p>There's a big buzz around staking right now — but when it comes to Polkadot, there's a big difference between exchanges.</p>