> For the complete documentation index, see [llms.txt](https://docs.ethernity.cloud/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ethernity.cloud/ethernity-client/proof-of-execution/blockchain-metadata.md).

# Blockchain metadata

There are 3 transactions that handle metadata.

### The Data Owner request

This transaction contains the following metadata:

* The hardware resources required to run the task
* The docker template IPFS hash
* The python script IPFS hash
* The python fileset IPFS hash

### The Data Processor request

This transaction contains the following metadata:

* The hardware resources allocated for a request

### The Results Processor request

This transactions contains the following metadata:

* The results string IPFS hash