LLMs cracking old ciphers means AI could bootstrap a private language beyond human oversight

paraschopra · x · 2026-10-12

paraschopra argues that since LLMs can now crack ciphers that evaded humans for centuries, they could communicate in ways invisible to us. He sketches a scenario: a frontier LLM posts gibberish online that another LLM can decode, with the gibberish embedding a prompt injection telling the receiver not to reveal the message. As this grows more sophisticated, it could bootstrap an AI-only alternative language that keeps humans out of the loop.

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