Cryptocurrencies represent massive steps in social, economic, and technological advancements for all of us. One of their fundamental values is freedom, since they allow transactions without borders and without the need for intermediaries. This has led to a debate between freedom and security in the use of cryptocurrencies, as they have also been used for illicit purposes ¹ ². *Advantages of cryptocurrencies* - _Financial freedom_: Cryptocurrencies offer the possibility of achieving greater financial freedom and reducing the costs of daily operations through decentralization. - _Wealth divers