<> <http://www.w3.org/2000/01/rdf-schema#comment> "The repository administrator has not yet configured an RDF license."^^<http://www.w3.org/2001/XMLSchema#string> .
<> <http://xmlns.com/foaf/0.1/primaryTopic> <https://discovery.ucl.ac.uk/id/eprint/10182349> .
<https://discovery.ucl.ac.uk/id/eprint/10182349> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://purl.org/ontology/bibo/Article> .
<https://discovery.ucl.ac.uk/id/eprint/10182349> <http://purl.org/dc/terms/title> "Tampering with the Delivery of Blocks and Transactions in Bitcoin"^^<http://www.w3.org/2001/XMLSchema#string> .
<https://discovery.ucl.ac.uk/id/eprint/10182349> <http://purl.org/ontology/bibo/abstract> "Given the increasing adoption of Bitcoin, the number of transactions and the block sizes within the system are only expected to increase. To sustain its correct operation in spite of its ever-increasing\r\nuse, Bitcoin implements a number of necessary optimizations and\r\nscalability measures. These measures limit the amount of information broadcast in the system to the minimum necessary.\r\nIn this paper, we show that current scalability measures adopted\r\nby Bitcoin come at odds with the security of the system. More\r\nspecifically, we show that an adversary can exploit these measures\r\nin order to effectively delay the propagation of transactions and\r\nblocks to specific nodes—without causing a network partitioning\r\nin the system. We show that this allows the adversary to easily\r\nmount Denial-of-Service attacks, considerably increase its mining\r\nadvantage in the network, and double-spend transactions in spite of\r\nthe current countermeasures adopted by Bitcoin. Based on our results, we propose a number of countermeasures in order to enhance\r\nthe security of Bitcoin without deteriorating its scalability."^^<http://www.w3.org/2001/XMLSchema#string> .
<https://discovery.ucl.ac.uk/id/eprint/10182349> <http://purl.org/dc/terms/date> "2015-10-12" .
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<https://discovery.ucl.ac.uk/id/person/ext-9460cd58977d151efa86e5ea2f10a30e> <http://xmlns.com/foaf/0.1/familyName> "Gervais"^^<http://www.w3.org/2001/XMLSchema#string> .
<https://discovery.ucl.ac.uk/id/person/ext-9460cd58977d151efa86e5ea2f10a30e> <http://xmlns.com/foaf/0.1/name> "Arthur Gervais"^^<http://www.w3.org/2001/XMLSchema#string> .
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<https://discovery.ucl.ac.uk/id/person/ext-1fd819d671266f6bbdf31b35fcdba502> <http://xmlns.com/foaf/0.1/name> "Hubert Ritzdorf"^^<http://www.w3.org/2001/XMLSchema#string> .
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