Cyptocurrencies – Full Explanation with Examples
What are Cryptocurrencies? A cryptocurrency is a type of digital or virtual currency that uses cryptography (advanced encryption) for security and works on blockchain technology . Unlike traditional money (like USD, INR, or EUR), cryptocurrencies are decentralized – meaning no government, bank, or authority controls them. Transactions are verified by a network of computers (called nodes or miners ) instead of banks. Key Features of Cryptocurrencies Digital Only – No physical form (coins/notes). Decentralized – Not issued by any central bank. Blockchain-Based – A transparent, distributed ledger records all transactions. Secure – Uses cryptography to prevent fraud or hacking. Anonymous/Pseudonymous – Transactions don’t always require personal details. Global – Can be sent anywhere in the world instantly. How Cryptocurrencies Work (Simple Example) Imagine Alice wants to send 1 Bitcoin to Bob . The transaction is broadcast to the blockchain ...