Paper Wallet

Definition

A paper wallet is a physical document containing a cryptocurrency's public address and private key, often as QR codes. It's a form of cold storage—completely offline and immune to online attacks. The paper itself becomes the bearer instrument.

Technical Explanation

Paper wallets are generated offline, ideally on air-gapped computers. The private key never touches an internet-connected device. To spend, users import the private key into a software wallet—but this "sweeps" all funds, as the key is now exposed.

Security concerns include: physical damage (fire, water), theft, printer memory retention, and the all-or-nothing spending model. Modern hardware wallets address many paper wallet limitations while maintaining cold storage benefits.

SynX Relevance

SynX supports paper wallet generation for long-term cold storage. Generate offline using trusted tools, store securely, and your quantum-resistant keys remain safe from all network threats—preserved on paper until you need them.

Frequently Asked Questions

Are paper wallets still recommended?: For extreme cold storage yes, but hardware wallets offer better usability for most users.
Can I spend partial amounts from a paper wallet?: Importing the key exposes it—sweep all funds and generate a new paper wallet for remainder.
How should I store paper wallets?: Fireproof safes, safety deposit boxes, or laminated copies in multiple secure locations.

Ultimate cold storage. Secure with SynX