Cryptocurrency is the good investment opportunity as we know, the price growing up year by year, but one of the risk is how to keep it safe from hackers. Here is few ways to store your crypto coins with advantages and disadvantages based on my experience: 1. Hardware Wallet This is a kind of cold wallet. In my opinion, this is the safest way to store your crypto coins. Hardware Wallet is a device like USB sticks which you can carry around on your person.