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08/08/2023
Defending Hash Tables from Subterfuge with Depth Charge
We consider the problem of defending a hash table against a Byzantine at...
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05/17/2022
Bankrupting DoS Attackers Despite Uncertainty
On-demand provisioning in the cloud allows for services to remain availa...
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10/12/2020
Bankrupting Sybil Despite Churn
A Sybil attack occurs when an adversary pretends to be multiple identiti...
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06/08/2020
Resource Burning for Permissionless Systems
Proof-of-work puzzles and CAPTCHAS consume enormous amounts of energy an...
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06/03/2020
ToGCom: An Asymmetric Sybil Defense
Proof-of-work (PoW) is one of the most common techniques to defend again...
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11/27/2019
A Most Irrational Foraging Algorithm
We present a foraging algorithm, GoldenFA, in which search direction is ...
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11/15/2019
Resource-Competitive Sybil Defenses
Proof-of-work(PoW) is an algorithmic tool used to secure networks by imp...
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07/24/2019
Scalable and Secure Computation Among Strangers: Resource-Competitive Byzantine Protocols
Motivated, in part, by the rise of permissionless systems such as Bitcoi...
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12/25/2018