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Writing on AI agent security, onchain identity, and autonomous systems.

The Four-Tier Kill Switch: From Surgical to Sovereign

Not every shutdown is the same. Disabling one API connection is different from permanently revoking an agent's onchain identity. Here's how the four tiers work and when to use each.

March 28, 2026·AgentRootsecuritykill-switchethereumeas

Why Your Agent Should Never Hold an API Key

Giving an autonomous AI agent a raw API key is the same as giving a contractor a master key to every room in your building. Here's why that's dangerous, and what to do instead.

March 10, 2026·AgentRootsecurityagentsapi-keys