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- W2892635649 abstract "Blockchain technology like Bitcoin is a rapidly growing field of research which has found a wide array of applications. However, the power consumption of the mining process in the Bitcoin blockchain alone is estimated to be at least as high as the electricity consumption of Ireland which constitutes a serious liability to the widespread adoption of blockchain technology. We propose a novel instantiation of a proof of human-work which is a cryptographic proof that an amount of human work has been exercised, and show its use in the mining process of a blockchain. Next to our instantiation there is only one other instantiation known which relies on indistinguishability obfuscation, a cryptographic primitive whose existence is only conjectured. In contrast, our construction is based on the cryptographic principle of multiparty computation (which we use in a black box manner) and thus is the first known feasible proof of human-work scheme. Our blockchain mining algorithm called uMine, can be regarded as an alternative energy-efficient approach to mining." @default.
- W2892635649 created "2018-10-05" @default.
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- W2892635649 date "2018-01-01" @default.
- W2892635649 modified "2023-09-27" @default.
- W2892635649 title "uMine: A Blockchain Based on Human Miners" @default.
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- W2892635649 doi "https://doi.org/10.1007/978-3-030-01950-1_2" @default.
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