https://www.brookings.edu/wp-content/uploads/2018/04/es_20180416_digitalcurrencies.pdf
https://www.nao.org.uk/wp-content/uploads/2018/06/Investigation-into-the-governments-handling-of-the-collapse-of-Carillion.pdf
https://www.imf.org/-/media/Files/Publications/PP/2023/English/PPEA2023001.ashx