2020
DOI: 10.1007/978-3-030-58779-6_2
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Blockchain Oracles: A Framework for Blockchain-Based Applications

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Cited by 51 publications
(32 citation statements)
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“…Lastly, it has to be noticed that, in order for smart contracts to execute, they require real-world data or input from outside the blockchain. It has traditionally been said that data required has to be pushed in by an external entity typically termed "oracle" [42]; however, new research supports that blockchain systems can also directly request information themselves [43].…”
Section: Blockchain and Smart Contractsmentioning
confidence: 99%
“…Lastly, it has to be noticed that, in order for smart contracts to execute, they require real-world data or input from outside the blockchain. It has traditionally been said that data required has to be pushed in by an external entity typically termed "oracle" [42]; however, new research supports that blockchain systems can also directly request information themselves [43].…”
Section: Blockchain and Smart Contractsmentioning
confidence: 99%
“…Conforme mencionado, o conceito de oráculo no contexto de redes blockchainé ainda recente, e pouco explorado na literatura científica [Zhang et al 2016, Adler et al 2018, Ma et al 2019, Mammadzada et al 2020. Oráculos são entidades confiáveis e aptas a prover informações do mundo externo para dentro do blockchain.…”
Section: Blockchains E Oráculosunclassified
“…Por definição, oráculos são entidades identificáveis e autenticadas por algum mecanismo de segurança conhecido. O recente trabalho de [Mammadzada et al 2020] apresenta uma revisão sistemática descrevendo as principais propostas de implementação de oráculos para blockchains. Chama a atenção que, dos 23 trabalhos selecionados na literatura, mais da metade das soluções envolvendo oráculos dependem de uma terceira parte confiável (Trusted Third Party -TTP) para validação dos dados providos.…”
Section: Blockchains E Oráculosunclassified
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