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Is there any blockchain app which can be used for messaging if a regime blocks all internet? In particular ones which use phones as nodes.
I like Signal, but I am not sure if it is 100% decentralised. The privacy level is high as compared to other messaging platforms. I don't know if they use phones as nodes because I do not understand the technical side of it. If you have not used it before, try it out and see if it meet your criteria.
I have heard about applications people can use in a network without the internet... more like a mesh network. It uses individual phones/devices that act as relay nodes to exchange data via wifi or bluetooth.
I think something like that could work really well if you could spread some sort portable & water-resistant "Super-Node" devices to store all network data in strategic locations, within the community that forms the network. There can be smaller nodes that help distribute data to other nodes and the supernodes
This is correct. I have done some more searching and Firechat app seems to fit the criteria. But it is not crypto however.And seems to have been discontinued.
