[PDF] Peace Through Superior Puzzling: An Asymmetric Sybil Defense

https://www.cs.unm.edu/~saia/papers/gmcom.pdf

D Gupta, J Saia, M Young

A common tool to defend against Sybil attacks is proof-of-work, whereby computational puzzles are used to limit the number of Sybil participants. Unfortunately, current Sybil defenses require significant computational effort to offset …