paper wallet

A paper wallet is a printed copy of your private key kept in a physically secure location.纸钱包是你的私钥的打印副本，保存在物理安全的地方。

Paper wallets were popular before hardware wallets existed but are prone to physical damage and difficult to use securely.纸钱包在硬件钱包出现之前很流行，但容易受到物理损坏且难以安全使用。