At the core of cryptocurrency lies blockchain technology. A blockchain is a decentralized digital ledger that records all transactions across a network of computers.
Instead of storing information in a single centralized database, blockchain distributes data across multiple nodes. This structure provides several key advantages:
Transparency: All transactions are recorded on a public ledger that anyone can view.
Security: Cryptographic algorithms ensure that transaction data cannot easily be altered.
Decentralization: No single authority controls the network.
Immutability: Once a transaction is recorded on the blockchain, it cannot be changed.
Each block in a blockchain contains a list of transactions, a timestamp, and a unique cryptographic hash. These blocks are linked together chronologically, forming a chain of records.
When a new transaction occurs, it must be verified by network participants through consensus mechanisms such as Proof of Work or Proof of Stake. Once validated, the transaction is added to the blockchain.
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