[Wishlist] A nice to have end-user config option would be this, IMHO:
Disable rolling numbers effect in MAX7219 matrix.
The feature is eye-catching, distracting therefore. For the cryptoclock to be an unobstrsive common houshold item, it needs to be really unconspicuous, so the option of animation disable may be a good idea.
Thanks. I did not expect to get so much joy from this project of yours.