> For the complete documentation index, see [llms.txt](https://whitepaperv2.pwrlabs.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://whitepaperv2.pwrlabs.io/faq/how-does-pwr-chain-resolve-inconsistent-vida-execution-results.md).

# How does PWR Chain Resolve Inconsistent VIDA Execution Results?

Anyone on PWR Chain can run a VIDA to independently verify its results (if the VIDA is public). However, inconsistent results may arise if VIDA instances are running different versions, encountering non-deterministic behavior, or facing unexpected issues.

VIDAs are responsible for implementing their own execution verification mechanisms. This can be achieved through cross-instance state verification or validation by Conduit Nodes, which confirm the results and publish their state root hash on the PWR Chain.

**Best Practices to Prevent Inconsistencies**:

* VIDAs must adhere to deterministic execution rules (e.g., avoiding floating-point operations or local system time).
* External data sources (e.g., APIs) must be validated and timestamped by Conduit Nodes before being used in VIDA logic.


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