https://www.brookings.edu/wp-content/uploads/2018/04/es_20180416_digitalcurrencies.pdf
https://www.levif.be/international/union-europeenne/le-parquet-europeen-sempare-enfin-de-la-plainte-belge-contre-von-der-leyen/
https://www.bruegel.org/sites/default/files/2023-06/PB%2012%202023.pdf
http://cep.lse.ac.uk/pubs/download/brexit11.pdf