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This is just one part of EMP, it's by far not all. EMP is an algorithmic protocol with different ways to earn, and nodes is just one of them.

And I have to say I like the concept a lot. Have to check on the presale and tokenomics.

Since the projects launched 4 months ago, I think won't find a presale 😇. But you find a link to the discord in my blog. Also, a link to the website where you can find all documents you need to do your research.