Hardware Wallet support Use your on your mobile app while with another wallet. Receive Generate addresses and QR codes for receiving.
Simple answer: You need the out the private keys of only address. Whenever you generate a new only address in your wallet.
A Cold wallet is a form of cold storage often used by bitcoiners to protect bitcoin which they do not plan on moving frequently. For example consider the watch only address as your bank account address. But I can see the balance and transaction details of any wallet address using block explorers. Keeping your crypto secure doesn't have to be hard.
