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pro vyhledávání: '"Jehl, Leander"'
Many blockchain platforms use committee-based consensus for scalability, finality, and security. In this consensus scheme, a committee decides which blocks get appended to the chain, typically through several voting phases. Platforms typically levera
Externí odkaz:
http://arxiv.org/abs/2404.04948
Autor:
Lakhani, Vahid Heidaripour, Babaei, Arman, Jehl, Leander, Ishmaev, Georgy, Estrada-Galiñanes, Vero
Decentralized storage networks offer services with intriguing possibilities to reduce inequalities in an extremely centralized market. The challenge is to conceive incentives that are fair in regard to the income distribution among peers. Despite man
Externí odkaz:
http://arxiv.org/abs/2307.02231
Autor:
Berger, Christian, Schwarz-Rüsch, Signe, Vogel, Arne, Bleeke, Kai, Jehl, Leander, Reiser, Hans P., Kapitza, Rüdiger
With the advancement of blockchain systems, many recent research works have proposed distributed ledger technology~(DLT) that employs Byzantine fault-tolerant~(BFT) consensus protocols to decide which block to append next to the ledger. Notably, BFT
Externí odkaz:
http://arxiv.org/abs/2303.11045
Peer-to-peer (p2p) networks are not independent of their peers, and the network efficiency depends on peers contributing resources. Because shared resources are not free, this contribution must be rewarded. Peers across the network may share computat
Externí odkaz:
http://arxiv.org/abs/2208.07067
Autor:
Messadi, Ines, Becker, Markus Horst, Bleeke, Kai, Jehl, Leander, Mokhtar, Sonia Ben, Kapitza, Rüdiger
Byzantine fault-tolerant agreement (BFT) in a partially synchronous system usually requires 3f + 1 nodes to tolerate f faulty replicas. Due to their high throughput and finality property BFT algorithms build the core of recent permissioned blockchain
Externí odkaz:
http://arxiv.org/abs/2205.08938
Still to this day, academic credentials are primarily paper-based, and the process to verify the authenticity of such documents is costly, time-consuming, and prone to human error and fraud. Digitally signed documents facilitate a cost-effective veri
Externí odkaz:
http://arxiv.org/abs/2109.11590
Autor:
Estrada-Galinanes, Vero, Nygaard, Racin, Tron, Viktor, Saramago, Rodrigo, Jehl, Leander, Meling, Hein
Publikováno v:
IEICE Technical Report, 2019, vol. 119, no. 221, Print edition ISSN 0913-5685, Online edition ISSN 2432-6380
Blockchain is the driving force behind a myriad of decentralized applications (dapps) that promise to transform the Internet. The next generation Internet, or web3, introduces a "universal state layer" to store data in p2p networks. Swarm, a native l
Externí odkaz:
http://arxiv.org/abs/1912.04269
Autor:
Almstedt, Lennart, Bleeke, Kai, Mahhouk, Mohammad, Jehl, Leander, Kapitza, Rüdiger, Wolf, Lars
Publikováno v:
In Computer Networks June 2023 229
Autor:
Hu, Ruijing, Jehl, Leander
This paper studies reliability of probabilistic neighbor-aware gossip algorithms over three well- known large-scale random topologies, namely Bernoulli (or Erd\H{o}s-R\'enyi) graph, the random geometric graph, and the scale-free graph. We propose a n
Externí odkaz:
http://arxiv.org/abs/1704.05808