Mixnet

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• Hornet

Sphinx

Hides the total number of hops.

Mine

Onion

I think I could reduce the over head a little by having each node populate part of the header. I could use this approach to strip out the nonce which is about 30% of the header.

Cyclic

I'd like to find a way to use ECC (which I think is possible) or AES (which I don't).