Vitalik Buterin unveils privacy-focused AI agent using Tor and zkAPI

• —Each AI conversation runs through a separate Tor circuit with random cover traffic
• —Payments are shielded via zkAPI, while a local model rewrites prompts before they reach external providers
• —The pi agent harness runs inside a bubblewrap sandbox wrapped with torsocks; code is on GitHub
• —Buterin flagged latency and a threat model where an AI provider colludes with a Tor guard relay