Security and cryptography for networks : 12th International Conference, SCN 2020, Amalfi, Italy, September 14-16, 2020, Proceedings
Bibliographische Detailangaben
- Titel
- Security and cryptography for networks 12th International Conference, SCN 2020, Amalfi, Italy, September 14-16, 2020, Proceedings
- verantwortlich
- ;
- Schriftenreihe
- Lecture Notes in Computer Science ; ; 12238
- veröffentlicht
- Erscheinungsjahr
- 2020
- Teil von
- Lecture notes in computer science.
- Medientyp
- E-Book
- Datenquelle
- British Library Catalogue
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Inhaltsangabe:
- Intro
- Preface
- Organization
- Contents
- Blockchain
- Account Management in Proof of Stake Ledgers
- 1 Introduction
- 1.1 Our Contributions and Roadmap
- 1.2 Related Work
- 1.3 Preliminaries
- 2 General Desiderata
- 3 Address Malleability
- 4 The Core Proof-of-Stake Wallet
- 4.1 The Core-Wallet Functionality
- 4.2 The Core-Wallet Protocol
- 4.3 Security of the Core-Wallet Protocol
- 4.4 Address Construction and Wallet Recovery
- 5 Integration of the Core-Wallet with PoS Consensus
- 5.1 The PoS Wallet's Actions
- 5.2 Participation in the PoS Protocol
- 5.3 Consensus Security Under Stake Pools
- 5.4 Attacks Against Stake Pooled PoS
- References
- Afgjort: A Partially Synchronous Finality Layer for Blockchains
- 1 Introduction
- 1.1 Our Contributions
- 1.2 The Two-Layer Approach
- 1.3 Our Techniques
- 1.4 Related Work
- 2 Preliminaries
- 2.1 Model and Network Assumptions
- 3 Abstract Model of Blockchains
- 3.1 Desirable Properties and Bounds
- 3.2 Discussion on Dishonest Chain Growth
- 4 The Finality Layer
- 4.1 Formalization
- 5 Afgjort Protocol
- 6 Weak Multi-valued Byzantine Agreement
- 7 Experimental Results
- References
- Aggregatable Subvector Commitments for Stateless Cryptocurrencies
- 1 Introduction
- 1.1 Related Work
- 2 Preliminaries
- 2.1 KZG Polynomial Commitments
- 2.2 Account-Based Stateless Cryptocurrencies
- 3 Aggregatable Subvector Commitment (aSVC) Schemes
- 3.1 aSVC API
- 3.2 aSVC Correctness and Security Definitions
- 3.3 aSVC from KZG Commitments to Lagrange Polynomials
- 3.4 Partial Fraction Decomposition
- 4 A Highly-Efficient Stateless Cryptocurrency
- 4.1 From VCs to Stateless Cryptocurrencies
- 4.2 Efficient Stateless Cryptocurrencies from aSVCs
- 4.3 Discussion
- 5 Conclusion
- 2.1 Black-Box (Constant-Round) Bounded-Concurrent OT
- 2.2 Composition of OT with OT-hybrid MPC
- 3 Preliminaries
- 4 Robust Zero-Knowledge and Commit-and-Prove
- 5 Straight-Line Extractable Commitments
- 6 Our Bounded Concurrent OT Protocol
- 7 Our Bounded-Concurrent MPC Protocol
- References
- Communication-Efficient (Proactive) Secure Computation for Dynamic General Adversary Structures and Dynamic Groups
- 1 Introduction
- 2 Overview of Proactive MPC and Design Roadblocks
- 2.1 Blueprint of Proactive Secret Sharing (PSS) and Proactive MPC (PMPC)