The data blinding versions would have the DV column shuffled, and the rest of the dataset untouched, so the analysis can be prepared without knowing about the actual relationships of the IV with the DV.
Think about:
a way to password protect the original dataset and link the password to the publication of the analysis plan?
See: https://journals.sagepub.com/doi/10.1177/25152459221128319
The data blinding versions would have the DV column shuffled, and the rest of the dataset untouched, so the analysis can be prepared without knowing about the actual relationships of the IV with the DV.
Think about: