<p><img src="https://images.cointelegraph.com/images/840_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS91cGxvYWRzLzIwMjQtMDEvNzY1NzA1MGItZWIyMi00N2E3LWFjYzUtYzU0MmY4NjY2MjIzLmpwZw==.jpg"></p><p>The Ethereum co-founder has sparked a debate on whether validiums are in the same category as layer 2 rollups.</p>