By doing that, your family can have an asset from you that is passed away and who knows, they will have a chance to make more money from the asset.
That is what you should do if you care about your family and want to see them have a better life and use the asset appropriately.
Besides that, by teaching your family about your asset, they do not have to confuse or search for the other job because you teach that by working from crypto, it will be enough for them to cover their needs.
Most of the time, the money or any investment that we have we wanted it to be inherited by our love ones, if you die and forget to provide any information to anyone there's no chance recovering all your asset anymore, you needed to make sure that as early as now, talk to someone who you really trust and provide the information.
Make sure that you fully trusting the person you are dealing with, especially if you are owning a huge amount of assets.
Internet is an easy access to hack your money, trusting is another thing for sure.