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Blockchain Security: Cryptographic Techniques
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Which cryptographic technique is commonly used to ensure the integrity of data in a blockchain?
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A
Hashing
💡 Explanation:
Hashing is a cryptographic technique that converts data of any size into a fixed-size hash value. This hash value is unique to the data and any changes to the data will result in a different hash value. In blockchain, hashing is used to create a secure and tamper-proof record of transactions.