Paper Wallet
Web3 / wallets security
A paper wallet is an offline storage method for cryptocurrency created by printing or writing a wallet's public address and private key onto a physical piece of paper. This completely disconnects the private key from internet-connected devices, making it immune to online hacking, malware, and exchange breaches. To use funds from a paper wallet, the private key must be manually entered or scanned back into a software wallet, at which point the cryptocurrency can be transferred. Paper wallets offer strong security for long-term storage but require careful physical safeguarding and can be inconvenient for frequent transactions. Example: Many Bitcoin holders during the 2010s generated paper wallets using tools like BitAddress.org, printing them in secure locations and storing them in safes or safe deposit boxes as a cold-storage backup strategy. Why it matters for crypto security: Paper wallets represent a foundational cold-storage strategy that eliminates digital attack vectors, making them a critical option for users prioritizing maximum security and long-term asset preservation over convenience.
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