<p><img src="https://images.cointelegraph.com/images/840_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS91cGxvYWRzLzIwMjQtMDgvNzYxNmI4NWMtM2E1Ni00MzA3LWIyYzEtOTExM2Q4NjNlMTBhLmpwZw==.jpg"></p><p>Quantum rigs might pose a bigger threat to blockchains than quantum decryption.</p>