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"I'm slightly concerned that DHTs might be easier to attack..."

The key is in the D. Since it is distributed, there's not a single server that can be attacked.



That would be nice, but unfortunately it's not really the case. It's quite difficult to make a secure distributed system that allows anyone to join (as opposed to a closed darknet).

Here are a couple examples of attacks that DHT is vulnerable to:

http://www.cs.rice.edu/Conferences/IPTPS02/101.pdf http://www.cs.rice.edu/~twngan/doc/infocom06.pdf




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