17 citations · 89 across the 27 of their papers we have counts for
16 papers · 1 filter
SoK: Measuring Blockchain Decentralization
Christina Ovezik, Dimitris Karakostas, Mary Milad +2
In the context of blockchain systems, the importance of decentralization is undermined by the lack of a widely accepted methodology to measure it. To address this gap, we set out a…
Decentralized Reliability Estimation for Low Latency Mixnets
Claudia Diaz, Harry Halpin, Aggelos Kiayias
Mix networks (mixnets) enable anonymous packet-based communication via multi-hop routing. Measuring the reliability of mix nodes serving as intermediate hops in a way that is decen…
SoK: A Stratified Approach to Blockchain Decentralization
Christina Ovezik, Dimitris Karakostas, Aggelos Kiayias
Decentralization has been touted as the principal security advantage which propelled blockchain systems at the forefront of developments in the financial technology space. Its exac…
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…
Minotaur: Multi-Resource Blockchain Consensus
Matthias Fitzi, Xuechao Wang, Sreeram Kannan +4
Resource-based consensus is the backbone of permissionless distributed ledger systems. The security of such protocols relies fundamentally on the level of resources actively engage…
SoK: Blockchain Governance
Aggelos Kiayias, Philip Lazos
Blockchain systems come with a promise of decentralization that often stumbles on a roadblock when key decisions about modifying the software codebase need to be made. This is atte…