FileDAG Storage
A distributed storage service built on the IPFS technology stack
... data, especially for multi-version systems. Not only does reduce data redundancy, it also saves bandwidth on network transmissions. Every advantage has its disadvantage, the downside is that data management has become more complex. First, the file or object management module needs to be abstracted on the basis of merkle-dag; second, the file cannot be deleted directly, only the data blocks that are no longer needed can be released through garbage collection.