WARNING! You are responsible for your own encryption keys. If you lose them, they're gone forever and so is all of your encrypted data. No one can help you. With freedom comes responsibility.
Skynet, by Sia, is similar to IPFS. It's for decentralized publishing of files. Each file is addressible by its unique hash. They have a decentralized blogging platform to demonstrate what you can do with it. See userful link buttons down below.
Skynet might not work without centralized DNS.
It will work without central servers.
User accounts are self-hosted, meaning the user is in full control. It's unknown or is not applicable if Skynet supports cryptocurrency monetization.