*What is Blockchain? (Blockchain Explained in Urdu — For Binance Write to Earn)*
Blockchain is a modern, secure, and transparent digital technology that stores data in the form of a chain. Each block contains some information, a timestamp, and a reference to the previous block, making it immutable and secure.
🔗 *Key Features:*
1. *Decentralized System:* Blockchain is not under any single entity. All users in the network participate.
2. *Security:* Once data is stored on the blockchain, it is nearly impossible to alter it.
3. *Transparency:* Every transaction is visible to everyone, but the user's identity remains secure.
4. *Trust:* The system is automated with minimal human intervention, thus trust is generated automatically.
🪙 *Where is Blockchain Used?*
- Cryptocurrencies like Bitcoin, Ethereum
- Smart Contracts
- NFTs and Digital Assets
- Supply Chain, Voting, and Financial Services
Blockchain is not just a part of cryptocurrency; it is a future technology that helps make systems around the world more secure and automated.