From the public key K , we use a one-way cryptographic hash function to generate a bitcoin address A. This rescue procedure provides the second main route through which private keys become visible to end users. The public key is used to ensure you are the owner of an address that can receive funds. Private keys must be kept offline, and out of your computer. Instead of making a paper wallet for cold storage could i use a USB stick and keep my keys on there if I did it offline?
humtiopue 