International Conference on Blockchain Economics, Security and Protocols最新文献_第3页

Demystifying Blockchains: Decentralized and Fault-Tolerant Storage for the Future of Big Data? (Keynote Lecture) 揭秘区块链:未来大数据的去中心化和容错存储?(专题讲座)

International Conference on Blockchain Economics, Security and Protocols Pub Date : 1900-01-01 DOI: 10.4230/OASIcs.Tokenomics.2019.1

A. E. Abbadi

{"title":"Demystifying Blockchains: Decentralized and Fault-Tolerant Storage for the Future of Big Data? (Keynote Lecture)","authors":"A. E. Abbadi","doi":"10.4230/OASIcs.Tokenomics.2019.1","DOIUrl":"https://doi.org/10.4230/OASIcs.Tokenomics.2019.1","url":null,"abstract":"Bitcoin is a successful and interesting example of a global scale peer-to-peer cryptocurrency that integrates many techniques and protocols from cryptography, distributed systems, and databases. The main underlying data structure is blockchain, a scalable fully replicated structure that is shared among all participants and guarantees a consistent view of all user transactions by all participants in the cryptocurrency system. The novel aspect of Blockchain is that historical data about all transactions is maintained in the absence of any central authority. This property of Blockchain has given rise to the possibility that future applications will transition from centralized databases to a fully decentralized storage based on blockchains. In this talk, we start by developing an understanding of the basic protocols used in blockchain, and elaborate on their main advantages and limitations. To overcome these limitations, we will explore some of the challenges of managing large scale fully replicated ledgers in the context of achieving large scale consensus. Finally, we ponder over recent efforts to use blockchains in diverse applications. 2012 ACM Subject Classification Computing methodologies → Distributed algorithms","PeriodicalId":174732,"journal":{"name":"International Conference on Blockchain Economics, Security and Protocols","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130056332","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Welcome to the Jungle: A Reference Model for Blockchain, DLT and Smart-Contracts (Short Paper) 欢迎来到丛林:区块链、DLT和智能合约的参考模型(短文)

International Conference on Blockchain Economics, Security and Protocols Pub Date : 1900-01-01 DOI: 10.4230/OASIcs.Tokenomics.2020.13

Julien Hatin, Emmanuel Bertin, Baptiste Hemery, Nour El Madhoun

引用次数: 2

Flexible BFT: Separating BFT Protocol Design from the Fault Model (Keynote Lecture) 灵活的BFT:将BFT协议设计与故障模型分离(主题演讲)

International Conference on Blockchain Economics, Security and Protocols Pub Date : 1900-01-01 DOI: 10.4230/OASIcs.Tokenomics.2019.2

D. Malkhi

{"title":"Flexible BFT: Separating BFT Protocol Design from the Fault Model (Keynote Lecture)","authors":"D. Malkhi","doi":"10.4230/OASIcs.Tokenomics.2019.2","DOIUrl":"https://doi.org/10.4230/OASIcs.Tokenomics.2019.2","url":null,"abstract":"Byzantine Fault Tolerant (BFT) protocols designed for building replicated services collapse if deployed under settings that differ from the fault model they are designed for. For example, in a partialsynchrony model, a known lower bound for BFT is 1/3. Optimal-resilience solutions completely break if the fraction of Byzantine faults exceeds 1/3. The only way we know to achieve > 1/3 resilience is by assuming synchrony, but this requires the protocol to be designed with that assumption. Flexible BFT is a new approach to BFT protocol design that separates between the fault model and the solution. Clients in Flexible BFT specify (i) the adversarial threshold they need to tolerate, and (ii) whether they believe in synchrony (and the presumed bound on transmission delays). We present a Flexible BFT solution that simultaneously supports different clients, who differ simply by the number of messages and/or time the clients are willing to wait for. At an even finer grain, Flexible BFT supports under the same solution high-value and low-value transactions, each tolerating a different threat model. 2012 ACM Subject Classification Theory of computation → Distributed algorithms","PeriodicalId":174732,"journal":{"name":"International Conference on Blockchain Economics, Security and Protocols","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121857526","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Algorithmic Game Theory and Blockchains (Invited Talk) 算法博弈论与区块链(特邀演讲)

International Conference on Blockchain Economics, Security and Protocols Pub Date : 1900-01-01 DOI: 10.4230/OASIcs.Tokenomics.2022.1

E. Koutsoupias

引用次数: 0

How Blockchain Tokens Are Changing Platform Economics (Invited Talk) 区块链代币如何改变平台经济(特邀演讲)

International Conference on Blockchain Economics, Security and Protocols Pub Date : 1900-01-01 DOI: 10.2139/ssrn.4440485

Hanna Halaburda

{"title":"How Blockchain Tokens Are Changing Platform Economics (Invited Talk)","authors":"Hanna Halaburda","doi":"10.2139/ssrn.4440485","DOIUrl":"https://doi.org/10.2139/ssrn.4440485","url":null,"abstract":"Blockchain technologies are technologies inspired by Bitcoin, which emerged in 2008. Since then, many cryptocurrencies, altcoins, and other blockchain applications have emerged. For example, Ethereum introduced smart contracts, and with them came tokens, fungible tokens, non-fungible tokens, decentralized finance (DeFi), and decentralized autonomous organizations (DAOs). All these technologies can be grouped under the umbrella term “blockchain technologies.” Each new generation of blockchain technology promises decentralization, disintermediation, a level playing field for entry, and improved value creation and distribution. However, it is essential to examine to what extent and under what conditions blockchain technologies deliver on these promises. It turns out that sometimes they do, and sometimes they do not. This distinction is essential to apply blockchain technologies effectively for large-scale practical applications. I focus here on blockchain-based cryptographic tokens and their impact on platform economics. Blockchain-based tokens, in conjunction with smart contracts, allow for new design choices in platforms. Therefore, I explore how these new design choices may help solve old problems in platform economics.","PeriodicalId":174732,"journal":{"name":"International Conference on Blockchain Economics, Security and Protocols","volume":"97 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128043655","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

1DLT: Rapid Deployment of Secure and Efficient EVM-Based Blockchains dlt:快速部署安全高效的基于evm的区块链

International Conference on Blockchain Economics, Security and Protocols Pub Date : 1900-01-01 DOI: 10.4230/OASIcs.Tokenomics.2022.3

Simone Bottoni, Anwitaman Datta, Federico Franzoni, E. Ragnoli, Roberto Ripamonti, Christian Rondanini, Gokhan Sagirlar, Alberto Trombetta

{"title":"1DLT: Rapid Deployment of Secure and Efficient EVM-Based Blockchains","authors":"Simone Bottoni, Anwitaman Datta, Federico Franzoni, E. Ragnoli, Roberto Ripamonti, Christian Rondanini, Gokhan Sagirlar, Alberto Trombetta","doi":"10.4230/OASIcs.Tokenomics.2022.3","DOIUrl":"https://doi.org/10.4230/OASIcs.Tokenomics.2022.3","url":null,"abstract":"Limited scalability and transaction costs are some of the critical issues that hamper a wider adoption of distributed ledger technologies (DLTs). That is particularly true for the Ethereum [58] blockchain, which, so far, has been the ecosystem with the highest adoption rate. Several solutions have been attempted in the last few years, most of which adopt the approach to offload transactions from the blockchain mainnet, a.k.a. Level 1 (L1), to a separate network. Such solutions are collectively known as Level 2 (L2) systems. While improving scalability, the adoption of L2 introduces additional drawbacks: users have to trust that the L2 system has correctly performed transactions or, conversely, high computational power is required to prove transactions’ correctness. In addition, significant technical knowledge is needed to set up and manage such an L2 system. To tackle such limitations, we propose 1DLT 1 : a novel system that enables rapid deployment of an Ethereum Virtual Machine based (EVM-based) blockchain that overcomes those drawbacks. 2012 ACM","PeriodicalId":174732,"journal":{"name":"International Conference on Blockchain Economics, Security and Protocols","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129454529","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

The Impact of Ethereum Throughput and Fees on Transaction Latency During ICOs 以太坊吞吐量和费用对ico期间交易延迟的影响

International Conference on Blockchain Economics, Security and Protocols Pub Date : 1900-01-01 DOI: 10.4230/OASIcs.Tokenomics.2019.9

M. Spain, Sean Foley, V. Gramoli

引用次数: 13

A Smart Contract Oracle for Approximating Real-World, Real Number Values 一个用于逼近真实世界实数值的智能合约Oracle

International Conference on Blockchain Economics, Security and Protocols Pub Date : 1900-01-01 DOI: 10.4230/OASIcs.Tokenomics.2019.6

William George, Clément Lesaege

{"title":"A Smart Contract Oracle for Approximating Real-World, Real Number Values","authors":"William George, Clément Lesaege","doi":"10.4230/OASIcs.Tokenomics.2019.6","DOIUrl":"https://doi.org/10.4230/OASIcs.Tokenomics.2019.6","url":null,"abstract":"A key challenge of smart contract systems is the fact that many useful contracts require access to information that does not natively live on the blockchain. While miners can verify the value of a hash or the validity of a digital signature, they cannot determine who won an election, whether there is a flood in Paris, or even what is the price of ether in US dollars, even though this information might be necessary to execute prediction market, insurance, or financial contracts respectively. \u0000A number of promising projects and research developments have provided a better understanding of how one might construct a decentralized, binary oracle - namely an oracle that can respond by one of two possibilities, typically \"yes\" or \"no\", even while not requiring the interaction of a trusted third party. In this work, we extend these ideas to construct a general-purpose, decentralized oracle that can estimate the value of a real-world quantity that is in a dense totally ordered set, such as R. In particular, this proposal can be used to estimate real number valued quantities, such as required for a price oracle. We will establish a number of desirable properties about this proposal. Particularly, we will see that the precision of the output is tunable to users' needs.","PeriodicalId":174732,"journal":{"name":"International Conference on Blockchain Economics, Security and Protocols","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124732542","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 7

Best Before? Expiring Central Bank Digital Currency and Loss Recovery (Extended Abstract) 最好的吗?即将到期的央行数字货币与损失追回(扩展摘要)

International Conference on Blockchain Economics, Security and Protocols Pub Date : 1900-01-01 DOI: 10.4230/OASIcs.Tokenomics.2021.7

C. Kahn, M. Oordt, Yu Zhu

{"title":"Best Before? Expiring Central Bank Digital Currency and Loss Recovery (Extended Abstract)","authors":"C. Kahn, M. Oordt, Yu Zhu","doi":"10.4230/OASIcs.Tokenomics.2021.7","DOIUrl":"https://doi.org/10.4230/OASIcs.Tokenomics.2021.7","url":null,"abstract":"Many central banks are considering issuing digital cash substitutes. An important property of physical cash payments is resilience —for example, imperviousness to power outages and independence of electronic/network coverage. These properties also make cash payments important in remote communities. Policy makers are considering building similar oﬄine payment functionality into digital cash substitutes, while their digital nature allows for novel features that could make them more desirable than physical cash. This paper analyzes the possibility of introducing an expiry date for oﬄine digital currency balances to automate personal loss recovery. Our results show this functionality could have a substantial positive impact on consumer demand for oﬄine digital currency balances. We also examine the welfare eﬀects of adjustments to the expiry date: small increases from the optimum cause little damage, but small decreases from the optimal expiry date can have a large negative impact. More information sharing between consumers and the central bank can improve loss recovery but has an ambiguous impact on social welfare.","PeriodicalId":174732,"journal":{"name":"International Conference on Blockchain Economics, Security and Protocols","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124030980","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 6

When Nakamoto Meets Nash: Blockchain Breakthrough Through the Lens of Game Theory (Invited Talk) 当中本聪遇见纳什:博弈论视角下的区块链突破(特邀演讲)

International Conference on Blockchain Economics, Security and Protocols Pub Date : 1900-01-01 DOI: 10.4230/OASIcs.Tokenomics.2020.2

Ittai Abraham

引用次数: 0