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07/06/2023
Eating sandwiches: Modular and lightweight elimination of transaction reordering attacks
Traditional blockchains grant the miner of a block full control not only...
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11/22/2022
Modeling Resources in Permissionless Longest-chain Total-order Broadcast
Blockchain protocols implement total-order broadcast in a permissionless...
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11/10/2022
Quorum Systems in Permissionless Network
Fail-prone systems, and their quorum systems, are useful tools for the d...
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10/07/2022
When is Spring coming? A Security Analysis of Avalanche Consensus
Avalanche is a blockchain consensus protocol with exceptionally low late...
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12/13/2021
Quick Order Fairness
Leader-based protocols for consensus, i.e., atomic broadcast, allow some...
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08/30/2021
Generalizing Weighted Trees: A Bridge from Bitcoin to GHOST
Despite the tremendous interest in cryptocurrencies like Bitcoin and Eth...
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07/23/2021
How to Trust Strangers: Composition of Byzantine Quorum Systems
Trust is the basis of any distributed, fault-tolerant, or secure system....
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01/14/2021
On the Synchronization Power of Token Smart Contracts
Modern blockchains support a variety of distributed applications beyond ...
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11/30/2020
Security Analysis of Ripple Consensus
The Ripple network is one of the most prominent blockchain platforms and...
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08/26/2020
TZ4Fabric: Executing Smart Contracts with ARM TrustZone
Blockchain technology promises to revolutionize manufacturing industries...
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06/08/2020
Consensus Beyond Thresholds: Generalized Byzantine Quorums Made Live
Existing Byzantine fault-tolerant (BFT) consensus protocols address only...
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05/18/2020
Asymmetric Byzantine Consensus
Byzantine quorum systems provide a widely used abstraction for realizing...
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06/21/2019
Asymmetric Distributed Trust
Quorum systems are a key abstraction in distributed fault-tolerant compu...
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02/26/2019
Byzantine Fault Tolerant Vector Consensus with Anonymous Proposals
In this paper, we introduce the anonymous proposer vector consensus prob...
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05/22/2018
Blockchain and Trusted Computing: Problems, Pitfalls, and a Solution for Hyperledger Fabric
A smart contract on a blockchain cannot keep a secret because its data i...
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01/30/2018