4 papers
BGPay: An Incentive-Compatible Mechanism for BGP Hijack Filtering
Tomasz Sadowy, Constantine Doumanidis, Maria Apostolaki
BGP hijacking remains a persistent threat as existing defenses, including RPKI/ROV suffer from a fundamental incentive misalignment: the networks best positioned to filter maliciou…
HOWLR: A Client-Driven Approach to BGP Hijack Detection
Constantine Doumanidis, Anya Kalogerakos, Maria Apostolaki
BGP hijacking enables impersonation attacks in which adversaries divert traffic at the prefix level and serve malicious content to unsuspecting clients. Detecting such attacks has…
AetherWeave: Sybil-Resistant Robust Peer Discovery with Stake
Kaya Alpturer, Constantine Doumanidis, Aviv Zohar
Peer-discovery protocols within P2P networks are often vulnerable: because creating network identities is essentially free, adversaries can eclipse honest nodes or partition the ov…
Routing Attacks in Ethereum PoS: A Systematic Exploration
Constantine Doumanidis, Maria Apostolaki
With the promise of greater decentralization and sustainability, Ethereum transitioned from a Proof-of-Work (PoW) to a Proof-of-Stake (PoS) consensus mechanism. The new consensus p…