4 papers · 1 filter
Vantage: Availability-Graded Broadcast for Signature-Free BFT
Nikita Polyanskii
Digital signatures make blocks and votes transferable evidence: one party can prove to another what a third party said. Authenticated channels convince only the direct receiver, so…
SoK: DAG-based Consensus Protocols
Mayank Raikwar, Nikita Polyanskii, Sebastian Müller
This paper is a Systematization of Knowledge (SoK) on Directed Acyclic Graph (DAG)-based consensus protocols, analyzing their performance and trade-offs within the framework of con…
Slipstream: Ebb-and-Flow Consensus on a DAG with Fast Confirmation for UTXO Transactions
Nikita Polyanskii, Sebastian Muller, Mayank Raikwar
This paper introduces Slipstream, a Byzantine Fault Tolerance (BFT) protocol where nodes concurrently propose blocks to be added to a Directed Acyclic Graph (DAG) and aim to agree…
Deterministic Bounds in Committee Selection: Enhancing Decentralization and Scalability in Distributed Ledgers
Grigorii Melnikov, Sebastian Müller, Nikita Polyanskii +1
Consensus plays a crucial role in distributed ledger systems, impacting both scalability and decentralization. Many blockchain systems use a weighted lottery based on a scarce reso…