Cryptocurrency security is critical to protecting digital assets from theft, fraud, and unauthorized access. These currencies are stored in digital wallets, which can be hot (connected to the internet) or cold (offline). Cold wallets offer greater security against cyberattacks. It is crucial to use strong passwords, enable two-factor authentication, and safeguard private keys. Cryptocurrencies operate on decentralized networks using blockchain technology, which provides transparency and tamper resistance, but does not completely eliminate risk. User education and good practices are essential to maintaining the integrity and protection of funds.