The best way to secure your cryptocurrency assets is to keep them offline. That means keeping your mnemonic phrases or private keys off your computer. You can store your private keys on paper and keep them in a safe place. But, if you do decide to keep your private keys on your computer then you should take precautions to protect yourself against hackers. The best way to prevent this from happening is to avoid using "copy" function to copy your mnemonic phrases or private keys or using screen...