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I tried to understand what IPFS is - it looks like that distributed file storage project from pre-bitcoin era but with added blockchain on top. So my question i

• aarroyoc 7y ago
  IPFS doesn't have a blockchain, it's more like BitTorrent. Can you delete a file? Well, by definition all files in the universe are already defined there, as IPFS is content-addresable (the file hash is used as URL), This means that you can actually delete the file from your local IPFS client, but if someone manages to create the exact same file and put it on the network, people will access to the file using the same link.
• diggan 7y ago
  Someone else already explained what IPFS is. So let me offer a different way of seeing the whole "can you delete a file from this system?" thing. IPFS is a protocol, just like HTTP. So the question could be rephrased as "How do you delete a file from HTTP?" The answer is: you don't. Just as on the web and on the internet, you can link files from your machines. If someone downloads it, they can share it with others. If no one downloads it, and you stop sharing it, it's effectively deleted. Same goes for IPFS.