You can store bitcoin in various wallet. It may hardware wallet, software wallet or paper wallet. Paper wallet is little bit different form hardware or software wallet. It is a simple piece of paper.
Bitcoin Paper wallet is an offline storage for Bitcoin or any other cryptocurrency. It contains your public and private key on a piece of paper. You need to store it in a secure place. No need to worry about any kind of malware or hackers. It totally secure and safe.
Any time you can use it. You just need to scan QR codes for transaction.
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