Can you explain how cryptography is used in blockchain?
Sure! Cryptography in blockchain ensures data integrity, confidentiality, and authenticity through techniques like hashing and encryption.
What is hashing and why is it important in blockchain?
Hashing transforms data into a fixed-size string of characters, which is crucial for linking blocks securely and verifying data integrity.
How does encryption differ from hashing in this context?
Encryption is used to protect data by making it unreadable without a key, while hashing is a one-way function that verifies data integrity.
Can you give an example of how these concepts work together in a blockchain?
Absolutely! When a transaction is made, it's hashed and added to a block. The block is then encrypted, ensuring that only authorized users can access the transaction details.
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