wallet

A wallet is a small, flat case or pouch used to carry personal items such as cash, cards, and identification. It is commonly carried in a pocket or bag and is designed to organize these items for easy access. The term distinguishes a wallet from larger bags and from coin purses or cases used for other purposes.

Physical wallets come in many styles, including bifold, trifold, currency clips, and cardholders. Typical features include compartments for banknotes, slots for credit and identification cards, a coin pocket, and sometimes an ID window. Materials range from leather and fabric to synthetic composites, with some models offering RFID-blocking linings for anti-skimming protection.

Digital wallets, or electronic wallets, store payment credentials and enable electronic transactions. Mobile wallets reside on smartphones and can use near-field communication (NFC), QR codes, or online checkout. Web and desktop wallets exist for online services. Security relies on encryption, tokenization, and user authentication, such as passwords, biometrics, or device-based locks.

Cryptocurrency wallets are software or hardware tools that manage public and private keys, allowing access to blockchain addresses and funds. They can be hot wallets (connected to the internet) or cold wallets (offline, such as hardware wallets or paper wallets). Users back up seed phrases and protect private keys; security practices are crucial to prevent loss or theft.

In addition to practical uses, wallets have cultural significance as fashion accessories and symbols of personal organization. In economics, the term wallet is also used metaphorically to refer to one's available funds or budget.