Cryptocurrency is now a day a very good resource to invest. As this is a virtual asset, there is no real proof of having it apart from its wallet address and private key. Awallet address identifies you in public or private blockchain that you hold something related to this. The private key makes sure that you are the correct owner of that wallet. Keeping these two information to the user or into its account blockchain provides some sort of files in .dat or .json or in database format. If they get lost then it becomes really difficult to restore your wealth and proof that you are the correct owner of the wealth.
To some extent, we buy this cryptocurrency from some privately held exchanges which keep your information on your behalf but they charge heavily for that and still, there is always a chance of information theft or misuse. It is always necessary to keep your information to yourself and become the owner of its security when it comes to money or wealth. That's where the concept of the hardware wallet and client wallets comes. Take a look at our cryptocurrency wallet development services.