منابع مشابه
Bitcoin y Privacidad 101
En este artículo se presenta una visión general de las implicaciones a la privacidad del uso de las llamadas cripto-monedas, y su principal representante hasta el momento, el Bitcoin. El artículo pretende destacar algunas consideraciones sobre estas tecnologías: la expectativa razonable de privacidad, la seguridad de la información y el posible abuso por parte de los usuarios.
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We examine a protocol πbeacon that outputs unpredictable and publicly verifiable randomness, meaning that the output is unknown at the time that πbeacon starts, yet everyone can verify that the output is close to uniform after πbeacon terminates. We show that πbeacon can be instantiated via Bitcoin under sensible assumptions; in particular we consider an adversary with an arbitrarily large init...
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This paper presents an extension to Bitcoin’s script language enabling covenants, a primitive that allows transactions to restrict how the value they transfer is used in the future. Covenants expand the set of financial instruments expressible in Bitcoin, and enable new powerful and novel use cases. We illustrate two novel security constructs built using covenants. The first, vaults, focuses on...
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Bitcoin as deployed today does not scale. Scalability research has focused on two directions: 1) redesigning the Blockchain protocol, and 2) facilitating ‘off-chain transactions’ and only consulting the Blockchain if an adjudicator is required. In this paper we focus on the latter and provide an overview of Bitcoin payment networks. These consist of two components: payment channels to facilitat...
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ژورنال
عنوان ژورنال: Research in Computing Science
سال: 2014
ISSN: 1870-4069
DOI: 10.13053/rcs-75-1-9