According to AnthropicAI, the company introduced an activation capping technique that constrains model activations along an Assistant Axis to harden models against persona-based jailbreaks, source: AnthropicAI on X, Jan 19, 2026. According to AnthropicAI, the team reports this method reduced harmful responses while maintaining overall model capabilities, source: AnthropicAI on X, Jan 19, 2026. According to AnthropicAI, the announcement did not reference cryptocurrencies or token integrations, implying no stated direct crypto-market impact from this update, source: AnthropicAI on X, Jan 19, 2026.