Access Control Service allows you:
- publish file of IPFS
- use IPNS approach to update files by link
- manage access to updating files on IPNS
Try it here https://acs.donft.io/
IPNS logic https://docs.google.com/document/d/1HuutM2_bmgszcbcsCcCJg_aciLDRo5oGnQKcwpBscbA/edit?usp=sharing
ACS logic https://docs.google.com/document/d/10qAqGIiEXumDeZ_xtFKLRn6m6gnpfNxBv5nYZ0GqSfc/edit?usp=sharing