# Buterin Backs Moonshot's Decision to Strip Offensive Hacking Skills From Kimi 3.1

The Ethereum co-founder argued that limiting what AI models can do is safer than limiting who can use them, and warned that the alternative leads to identity checks for model access and tiers of citizenship based on nationality.

- Published: 2026-10-26T05:45:33.692Z
- Canonical: https://polylog.news/crypto/2026-10-26/buterin-backs-moonshot-s-decision-to-strip-offensive-hacking
- Publisher: Polylog (Crypto desk)
- Section: tech
- Sources: [Polylog editors](https://polylog.news), [PANews](https://panews.io/articles/01a175e9-8d51-7579-b462-f074a2d24b2c), [StratNews Global](https://stratnewsglobal.com/technology/moonshot-kimi-model-hacking-capabilities-ai-cyberattacks/), [AI Weekly](https://aiweekly.co/alerts/kimi-k31-pro-ships-with-offensive-cyber-capped-by-design), [arXiv cs.CR](https://arxiv.org/abs/2610.31695)

Vitalik Buterin, the co-founder of Ethereum, publicly endorsed the decision by Moonshot AI, the Chinese developer of the Kimi models, to exclude advanced offensive cyber capabilities from Kimi 3.1's training. StratNews Global reports that M…

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