What is Blockchain?

Blockchain is a digital record-keeping technology that stores information across a network of computers. Instead of relying on one central authority, blockchain allows participants to verify and record transactions together.

Each group of transactions is stored in a “block,” and these blocks are linked together to form a chain. This makes the record difficult to change without the network detecting the change.

Blockchain is best known for powering cryptocurrencies such as Bitcoin, but its potential uses extend to areas like payments, supply chains, digital identity, and data management.

💡 In simple words: Blockchain is a shared digital ledger designed to make records transparent, verifiable, and resistant to unauthorized changes.

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