Paper Wallet

A paper wallet is a physical document that contains a public address and a private key for a specific cryptocurrency. It is typically generated using software that creates a random key pair and a QR code for easy transfer. The private key is printed on the paper wallet and is kept offline, making it one of the most secure forms of cold storage available, since it is completely immune to online hacking attempts, malware, and exchange failures.

To use a paper wallet, you generate the key pair on a secure, offline computer and print it out — ideally on a printer that is not connected to the internet. The printed document is then stored in a safe physical location, such as a fireproof safe or a bank deposit box. To receive funds, you simply share the public address. To spend funds, you import or sweep the private key into a software wallet.

Despite their security advantages, paper wallets come with significant risks. Physical damage, loss, or theft of the document can result in permanent loss of funds, as there is no recovery mechanism if the private key is destroyed or stolen. They also require careful handling during generation — if the process is performed on a compromised machine, the keys can be intercepted before they are ever printed. For this reason, many users have migrated to hardware wallets, which offer similar offline security with a more practical user experience.