https://verfassungsblog.de/dark-money-subverts-the-rule-of-law/
https://eur-lex.europa.eu/legal-content/EN/TXT/HTML/
https://cerre.eu/wp-content/uploads/2023/07/CERRE-Virtual-Worlds-Issue-Paper-0723.pdf
http://www.css.ethz.ch/content/dam/ethz/special-interest/gess/cis/center-for-securities-studies/pdfs/Cyber-Reports-2017-07.pdf