Crypto does not override reality as much as it creates new pockets for reality to exist within. Want to create a group project that splits funds with people in various parts of the world? Crypto might work well for that.

To partially address your question about the github "allmoney" repository, some people already have a similar system called Hawala. People who make that system need to have networks of trust set up.

https://en.wikipedia.org/wiki/Hawala