Sources

https://en.wikipedia.org/wiki/Cryptocurrency_and_crime#:~:text=According to blockchain analysis company,a total of %2414 billion.

https://www.cognyte.com/blog/5-reasons-why-criminals-are-turning-to-cryptocurrencies/

https://www.wsj.com/articles/cryptocurrency-based-crime-hit-a-record-14-billion-in-2021-11641500073

https://blog.chainalysis.com/reports/2022-crypto-crime-report-introduction/

https://www.reuters.com/business/finance/crypto-crime-hits-record-20-bln-2022-report-says-2023-01-12/

https://www.gao.gov/blog/virtual-currency-use-human-and-drug-trafficking-increases-so-do-challenges-federal-law-enforcement

https://www.investopedia.com/terms/o/onecoin.asp

https://www.cnn.com/2023/01/22/business/ruja-ignatova-cryptoqueen-fbi-most-wanted-cec/index.html#:~:text=Authorities say OneCoin was a,international fraud schemes ever perpetrated.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9860235/#:~:text=Their conclusions indicate that Iran,U.S. Department of Justice 2020).