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A Naïve Peer Discovery Implementation with Node.js and ZeroMQ

Categories: nodejs zeromq peer discovery blockchain

Recently, I’ve been thinking about building a simple blockchain implementation to better understand the pattern. As blockchain systems are distributed, the first challenge that came to mind was how to allow peers in the network to discover one-another. My ultimate goal of this exercise is to keep things as simple as possible, so, my first thought was to use UDP multicast for peer discovery. In essence, every node would simply emits its state to a multicast group every n seconds.

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