There are various reasons and risks from Cryptocurrency including:
1. As in the form of digital assets, it is easily misused for financial system crimes such as money laundering.
in this case you say bitcoin is easy to use for crimes such as money laundering, then what you think about fiat, is fiat really safe and free from money laundering? the answer is no! in fact many cases in each country use fiat as money laundering
2. The absence of a clear system, makes cryptocurrency vulnerable to malfunctions that ultimately harm users.
in fact, the crypto system is more clear and transparent to use, user convenience has been proven
3. Crypto assets have the potential for financial crime (fraud), security violations and operating failures.
in this case you are wrong, you must learn more about crypto / bitcoin technology