How Does Blockchain Work?
Blockchain is the beating heart of cryptocurrency — the invisible engine that keeps Bitcoin, Ethereum, and thousands of other digital coins running. But what exactly is it, and how does it work? Imagine a notebook that everyone in the world can see, but no one can erase. Every time someone makes a transaction, it’s written in this notebook. Once written, it stays there forever. That notebook is the blockchain — a shared digital ledger spread across thousands of computers. Here’s the story of how it works: 1. Transactions Begin Someone sends cryptocurrency to another person. Instead of a bank recording it, the transaction is broadcast to a network of computers. 2. Blocks Are Created These computers group transactions together into a “block.” Think of it as a page in the notebook. 3. Verification Happens Before the block is added, the network checks if the...