Report: Vast majority of blockchain energy studies 'lack scientific rigor'
According to a new preprint conducted by researchers at the Open Universiteit, University of California Berkley, and Radboud University, the vast majority of literature on blockchain energy use from both academic and everyday sources "lacks the scientific rigor expected from a mature scientific field." The report analyzed 128 scientific and open-source studies related to carbon emissions of blockchains such as Bitcoin.
Researchers then found that an astonishing 34% of studies did not even possess an explicit research design. Meanwhile, 43% of studies did not share data, while 67% did not share source code. Finally, 79% of studies had no discussions about the reliability of external data.
Several notable fallacies across studies were discovered by researchers in their analysis. First off, blockchain energy studies typically cite data and derive their conclusions from the Cambridge Bitcoin Electricity Consumption Index. However, the source explicitly states that it only captures about 32% to 37% of all computing power in the network.
Several notable fallacies across studies were discovered by researchers in their analysis. First off, blockchain energy studies typically cite data and derive their conclusions from the Cambridge Bitcoin Electricity Consumption Index. However, the source explicitly states that it only captures about 32% to 37% of all computing power in the network.
Secondly, the validity of electricity costs used in such studies is called into question. Researchers found that a significant portion of studies had "no clear" assumptions for cost of electricity use in cryptocurrency mining. Furthermore, there is considerable opacity within studies regarding their choice of power usage effectiveness.
Finally,
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