One reason to keep your bitcoin investments private is to protect your assets from potential theft or hacking attempts. By keeping your investments secret, you can reduce risk of becoming a target to cybercriminals who may attempt to steal your funds. Some people choose to keep their bitcoin investments private in order to maintain their privacy and avoid unwanted attention. Bitcoin transactions are recorded on a public ledger, which means that anyone can view the details of your transactions if they know your wallet address. By keeping your investments private, you can maintain a greater degree of anonymity and protect your personal information.
Not only cyber criminial but people around us that has an ill-intention. We never know whether people around us will change or not once they knew that we have lots of treasure in digital world. They maybe good to us but we all know how greed can change people. There are even cases where a member of the family killing their kin just to get the money by themselves. So it is really important that we keep vigilant and never expose that we are holding that huge amount of Bitcoin or else we might find ourselves in big trouble.