Signal Creator Marlinspike Wants To Do For AI What He Did For Messaging

Moxie Marlinspike, the engineer who created Signal Messenger and set a new standard for private communications, is now trialing Confer, an open source AI assistant designed to make user data unreadable to platform operators, hackers, and law enforcement alike. Confer relies on two core technologies: passkeys that generate a 32-byte encryption keypair stored only on user devices, and trusted execution environments on servers that prevent even administrators from accessing data. The code is open source and cryptographically verifiable through remote attestation and transparency logs. Marlinspike likens current AI interactions to confessing into a "data lake." A court order last May required OpenAI to preserve all ChatGPT user logs including deleted chats, and CEO Sam Altman has acknowledged that even psychotherapy sessions on the platform may not stay private.

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