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Q » What is a block in blockchain?
02 Nov, 2025
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A » A block in blockchain is a digital record that stores transactional data in a decentralized ledger. Each block contains a unique cryptographic hash, a timestamp, and transaction details, linking it securely to the previous block, forming a chain. This structure ensures data integrity, transparency, and security, making blockchains resistant to modification. As new transactions occur, new blocks are added, maintaining an immutable history of all transactions.
03 Nov, 2025
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