4 citations · 4 across the 3 of their papers we have counts for
3 papers
Statistical Confidence in Mining Power Estimates for PoW Blockchains
Mary Milad, Christina Ovezik, Dimitris Karakostas +1
The security of blockchain systems depends on the distribution of mining power across participants. If sufficient mining power is controlled by one entity, they can force their own…
Optimal Bootstrapping of PoW Blockchains
Ranvir Rana, Dimitris Karakostas, Sreeram Kannan +2
Proof of Work (PoW) blockchains are susceptible to adversarial majority mining attacks in the early stages due to incipient participation and corresponding low net hash power. Boot…
Blockchain Nash Dynamics and the Pursuit of Compliance
Dimitris Karakostas, Aggelos Kiayias, Thomas Zacharias
We study Nash-dynamics in the context of blockchain protocols. We introduce a formal model, within which one can assess whether the Nash dynamics can lead utility-maximizing partic…