187 citations · 187 across the 3 of their papers we have counts for
8 papers
Modeling Resources in Permissionless Longest-chain Total-order Broadcast
Sarah Azouvi, Christian Cachin, Duc V. Le +2
Blockchain protocols implement total-order broadcast in a permissionless setting, where processes can freely join and leave. In such a setting, to safeguard against Sybil attacks,…
Decentralisation Conscious Players And System Reliability
Sarah Azouvi, Alexander Hicks
We propose a game-theoretic model of the reliability of decentralised systems based on Varian's model of system reliability, to which we add a new normalised total effort case that…
Private Attacks in Longest Chain Proof-of-stake Protocols with Single Secret Leader Elections
Sarah Azouvi, Daniele Cappelletti
Single Secret Leader Elections have recently been proposed as an improved leader election mechanism for proof-of-stake (PoS) blockchains. However, the security gain they provide ha…
SoK: Tools for Game Theoretic Models of Security for Cryptocurrencies
Sarah Azouvi, Alexander Hicks
Cryptocurrencies have garnered much attention in recent years, both from the academic community and industry. One interesting aspect of cryptocurrencies is their explicit considera…
Incentivising Privacy in Cryptocurrencies
Sarah Azouvi, Haaroon Yousaf, Alexander Hicks
Privacy was one of the key points mentioned in Nakamoto's Bitcoin whitepaper, and one of the selling points of Bitcoin in its early stages. In hindsight, however, de-anonymising Bi…
Betting on Blockchain Consensus with Fantomette
Sarah Azouvi, Patrick McCorry, Sarah Meiklejohn
Blockchain-based consensus protocols present the opportunity to develop new protocols, due to their novel requirements of open participation and explicit incentivization of partici…