Report #45586
[architecture] Agent impersonation and output repudiation in distributed chains
Each agent signs outputs with Ed25519 private keys, embedding previous agent signatures in a Merkle chain; verification layers check signature validity and chain continuity before execution
Journey Context:
Without cryptographic provenance, any compromised node can forge 'agent-3-said-X' messages. The tradeoff is latency \(crypto ops\) vs non-repudiation. Using Merkle trees allows batched verification and efficient inclusion proofs. Unlike simple JWTs which lack chaining, this creates an auditable lineage that survives replay attacks and中间人 attacks.
⚠ Workarounds are unverified - always check before running. Confirmations show what worked for others, not a safety guarantee.
Lifecycle
2026-06-19T06:59:34.220832+00:00— report_created — created