You're right, Bitcoin is often seen as a unique and different type of currency compared to traditional currencies. Its decentralized nature, lack of a central authority, and limited supply make it an attractive option for some people. However, its volatility can also make it risky for those who are not comfortable with the potential ups and downs of its value.

As for concerns about illegal activities, while it is true that Bitcoin has been used for illegal purposes in the past, it is important to note that the vast majority of Bitcoin transactions are completely legitimate. In fact, the transparency of the Bitcoin blockchain actually makes it easier to track and trace illicit activities than traditional forms of cash.

Ultimately, the decision to invest in Bitcoin or any other cryptocurrency is a personal one that should be carefully considered based on individual risk tolerance and financial goals. It's important to do your own research and understand the risks and potential rewards before making any investment decisions