3.6k citations · 3.9k across the 12 of their papers we have counts for
22 papers · 1 filter
Eating sandwiches: Modular and lightweight elimination of transaction reordering attacks
Orestis Alpos, Ignacio Amores-Sesar, Christian Cachin +1
Traditional blockchains grant the miner of a block full control not only over which transactions but also their order. This constitutes a major flaw discovered with the introductio…
Quorum Systems in Permissionless Network
Christian Cachin, Giuliano Losa, Luca Zanolini
Fail-prone systems, and their quorum systems, are useful tools for the design of distributed algorithms. However, fail-prone systems as studied so far require every process to know…
When is Spring coming? A Security Analysis of Avalanche Consensus
Ignacio Amores-Sesar, Christian Cachin, Enrico Tedeschi
Avalanche is a blockchain consensus protocol with exceptionally low latency and high throughput. This has swiftly established the corresponding token as a top-tier cryptocurrency.…
Quick Order Fairness
Christian Cachin, Jovana Mićić, Nathalie Steinhauer +1
Leader-based protocols for consensus, i.e., atomic broadcast, allow some processes to unilaterally affect the final order of transactions. This has become a problem for blockchain…
How to Trust Strangers: Composition of Byzantine Quorum Systems
Orestis Alpos, Christian Cachin, Luca Zanolini
Trust is the basis of any distributed, fault-tolerant, or secure system. A trust assumption specifies the failures that a system, such as a blockchain network, can tolerate and det…
On the Synchronization Power of Token Smart Contracts
Orestis Alpos, Christian Cachin, Giorgia Azzurra Marson +1
Modern blockchains support a variety of distributed applications beyond cryptocurrencies, including smart contracts -- which let users execute arbitrary code in a distributed and d…