Create a simple Dropbox with a few lines of code and IPFS

As you know I am a big fan of decentalizzati systems, and so I keep an eye on everything that comes out, trying to figure out how I could use it. These days I’m fiddling with IPFS, and I must say that at the end (despite a pathetic level documentation), once you understand what offers I managed to do something.
Before showing the code, I would like to say one thing: it is an example. Example means that it must be an example, that is one thing that simplifies a learning process.

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