Promoting Rigour in Blockchains Energy & Environmental Footprint Research: A Systematic Literature Review
There is a growing interest in understanding the energy and environmental footprint of digital currencies, speciﬁcally in cryptocurrencies such as Bitcoin and Ethereum. These cryptocurrencies are operated by a geographically distributed network of computing nodes, making it hard to accurately estimate their energy consumption. Existing studies, both in academia and industry, attempt to model the cryptocurrencies energy consumption often based on a number of assumptions for instance about the hardware in use or geographic distribution of the computing nodes. A number of these studies has already been widely criticized for their design choices and subsequent over or under-estimation of the energy use.
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