3 papers
cs.CR2026
On Identifying Sound Conditions for Frontrunning Resistance
Sebastian Holler, Anna Piscitelli, Jannik Albrecht +3
Blockchains enable decentralized applications through smart contracts---interactive programs executed through consensus. However, the inherently asynchronous nature of blockchain t…
cs.CR2026
On the Effectiveness of Mempool-based Transaction Auditing
Jannik Albrecht, Ghassan Karame
While the literature features a number of proposals to defend against transaction manipulation attacks, existing proposals are still not integrated within large blockchains, such a…
cs.CR2024
Larger-scale Nakamoto-style Blockchains Don't Necessarily Offer Better Security
Jannik Albrecht, Sebastien Andreina, Frederik Armknecht +3
Extensive research on Nakamoto-style consensus protocols has shown that network delays degrade the security of these protocols. Established results indicate that, perhaps surprisin…