Decision traces vs. audit logs
An audit log records that an event occurred. A decision trace records why the event was permitted: the evidence consulted, the policy in force, the exception granted, and who was accountable. Audit logs are sufficient for reconstructing sequence; decision traces are what auditors, regulators, and courts actually ask for.
| Audit logs | Decision traces | |
|---|---|---|
| Question answered | What happened, and when | Why it was allowed to happen |
| Captured | After the fact, by the system of record | At execution time, by the deciding agent |
| Contents | Event, timestamp, actor, object | Evidence, policy version, exception, precedent, authority |
| Verifiable by outsiders | Requires trusting the operator’s database | Independently verifiable via signed records |
| Survives vendor change | Usually not | Yes, records are held in an open knowledge graph |
| Reusable by agents | Rarely, logs are not structured as precedent | Yes, traces become precedent later decisions inherit |
Why logs feel sufficient until they are not
Audit logging is mature and well understood, which is why most organizations believe the problem is solved. The gap appears the first time someone asks a question the log cannot answer: not whether an exception was granted, but why it was justified, on what evidence, and under which version of the policy. At that point the answer has to be reconstructed from people and side channels, and its quality depends on who still remembers.
What changes when agents make the decisions
A human decision leaves traces in the world even when it is not logged: an email, an approval, a conversation. An agent decision does not. If the reasoning is not captured by the system taking the action, it does not exist anywhere. This is why the shift to agentic execution makes the distinction urgent rather than academic.
When an audit log is the right tool
Audit logs remain the correct instrument for security forensics, sequence reconstruction, and integrity monitoring of the systems themselves. Decision traces do not replace them; they sit above them and answer a different question. A well-run environment keeps both.
Questions.
Do decision traces replace our audit logging?
Can we derive traces from existing logs?
Is this just a richer log format?
Power up your business with the OriginTrail DKG.
Create Knowledge Assets, build shared context graphs, enshrine decision traces. Open-source infrastructure. Community support. Zero cost.
The full Network Operating System.
Custom agent frameworks (Hermes, OpenClaw, LangChain, Claude). Custom data pipelines. Custom integrations with your enterprise systems. Dedicated infrastructure and support.