Yes, you heard it right. Investing in Bitcoin while you're using your own crypto-wallet as your bank account nobody can devalue on it. No organization and no central authorities involved and as a holder, there's nothing to worry about. Unlike, the traditional banking system was obviously to act in favor of those with have a huge of money and good financial knowledge. The reason why there are some people that have poor knowledge with it comes to the traditional banking system they prefer to store cash at home than banking on it.
Bitcoin or cryptocurrency, in general, has a cheaper transaction and no chargeback will happen because it is irreversible not like cash. No doubt that this cryptocurrency will harm the traditional banking system and that is the reason why the government always afraid of it. It might their big competitor when it comes to the financial banking business. The fact that Bitcoin doesn't need the banking system because it has a limited stock. But it is impossible to replace fiat to Bitcoin, it is always good that cryptocurrency is an alternative way when it comes to transactions and other payment methods.