Is cryptocurrency allowed in Spain?｜, but the government has outlined rules for companies that address advertising, taxation, compliance with AML policies, and the designation of crypto assets. Royal Decree 7/2021 regulates custodian services and crypto-to-fiat currency exchange.Cryptocurrencies are largely unregulated in Spain

Is it permissible to engage in cryptocurrency transactions in Spain? I've heard conflicting information about this. On one hand, it seems that cryptocurrencies are largely unregulated in Spain, offering a certain degree of freedom for investors and traders. However, I've also read that the government has established certain rules and regulations for businesses dealing with cryptocurrencies. Could you clarify the situation for me? Specifically, what kind of rules have been outlined by the government? Are there any restrictions or requirements for individuals who want to buy, sell, or trade cryptocurrencies in Spain? Additionally, could you explain the Royal Decree 7/2021 and how it regulates custodian services and crypto-to-fiat currency exchange? It would be greatly appreciated if you could provide a detailed breakdown of the current regulatory landscape surrounding cryptocurrencies in Spain.