Cryptographer Matthew Green doubts AI safety sandboxing in reply to Ezra Klein's 14 points

matthew_d_green · x · 2026-10-15

Cryptographer Matthew Green responded to Arvind Narayanan's 14 AI safety points from the Ezra Klein show. Narayanan argues intelligence isn't power — an AI system's power comes from the real-world permissions we choose to grant it, not the model itself.

Green took issue with the reliance on sandboxing, saying the point "won't age well": containing capable AI systems via sandboxing alone is unlikely to hold up. The exchange highlights a core disagreement over whether safety should focus on model internals or on external permissions and deployment environments.

Related event: AI Safety Researcher's 14 Points on Ezra Klein Podcast Spark Debate(3 posts)→

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