Investing in metals is a great option to take into account, but the criptomonedas are also (but this is good for those who have less capital), but for those who already have good capital it is recommended to diversify into metals, one of the metals that Right now it does not have the value that should be in the "Silver"; It is said that a future is going to have more value since it is a great conductive of energy, and we are going to a technological future more and more :) @broncnutz