Who is the Kraken's enemy?

As an avid follower of the cryptocurrency market, I'm intrigued by the mention of the Kraken's enemy. Could you elaborate on who or what this mysterious foe might be? Is it a rival exchange platform, a group of hackers, or perhaps a regulatory body seeking to restrict the Kraken's operations? Understanding the nature of this enemy is crucial in assessing the potential risks and opportunities facing the Kraken, and I'm eager to learn more.