Cryptocurrencies are a type of digital currency that uses cryptography to ensure the security of transactions. They are decentralized, which means they are not controlled by any government or financial institution. Bitcoin is the best-known and most popular cryptocurrency. It was launched in 2009 and since then its value has grown exponentially. In Brazil, cryptocurrencies are still a relatively new subject. However, the Brazilian government is increasingly paying attention to this market. Learn Much More...