While investing in crypto has become very popular because it is a easier way to transfer money without involving the banks or any other institution, it is definitely not the safest option. It is considered very unstable and there have been numerous cases of scams, bugs and hacks. Besides, due to the fact that it is not regulated by any authority or institution, its value can change drastically overnight. Real estate is much more reliable, partly because it is dealing with real property that has real value, unlike crypto.