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Post-Quantum Security of the Bitcoin Backbone and Quantum Multi-Solution Bernoulli Search
Bitcoin and its underlying blockchain protocol have recently received si...
12/30/2020 ∙ by Alexandru Cojocaru, et al. ∙
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Consistency of Proof-of-Stake Blockchains with Concurrent Honest Slot Leaders
We improve the fundamental security threshold of Proof-of-Stake (PoS) bl...
01/15/2020 ∙ by Aggelos Kiayias, et al. ∙
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Coalition-Safe Equilibria with Virtual Payoffs
Consider a set of parties invited to execute a protocol Π. The protocol ...
12/31/2019 ∙ by Aggelos Kiayias, et al. ∙
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Linear Consistency for Proof-of-Stake Blockchains
The blockchain data structure maintained via the longest-chain rule—popu...
11/22/2019 ∙ by Erica Blum, et al. ∙
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Cryptocurrency Egalitarianism: A Quantitative Approach
Since the invention of Bitcoin one decade ago, numerous cryptocurrencies...
07/04/2019 ∙ by Dimitris Karakostas, et al. ∙
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On the Practicality of Smart Contract PKI
Public key infrastructures (PKIs) are one of the main building blocks fo...
02/03/2019 ∙ by Christos Patsonakis, et al. ∙
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Structure and Content of the Visible Darknet
In this paper, we analyze the topology and the content found on the "dar...
11/04/2018 ∙ by Georgia Avarikioti, et al. ∙
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A Puff of Steem: Security Analysis of Decentralized Content Curation
Decentralized content curation is the process through which uploaded pos...
10/03/2018 ∙ by Aggelos Kiayias, et al. ∙
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Reward Sharing Schemes for Stake Pools
We introduce and study reward sharing schemes that promote the fair form...
07/30/2018 ∙ by Lars Brünjes, et al. ∙
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