WASHINGTON, July 17 (Reuters) - The head of the U.S. securities regulator said Monday the agency was "disappointed" with a judge's recent ruling that Ripple Labs Inc did not violate federal securities laws in a major blow to its efforts to rein in the cryptocurrency sector. The SEC has sued a number of crypto firms in recent months, arguing that most crypto tokens are securities that should be registered with the agency. AI could also amplify the world financial system's interconnectedness, something for which current risk management models may not be prepared, Gensler said. "Many of the challenges to financial stability that AI may pose in the future ... will require new thinking on system-wide or macro-prudential policy interventions." Gensler's remarks echoed statements he has made in recent months on managing risks created by the use of AI in finance.

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Persons: Gary Gensler, Gensler, Gensler's, We've, It's, Douglas Gillison, Andrea Shallal, Hannah Lang, Matthew Lewis, David Evans, Nick Zieminski Organizations: Ripple Labs, U.S . Securities, Exchange, SEC, prudential, Thomson Locations: cryptocurrency, U.S, Washington