What is hashing and why is it important in blockchain?
Hashing is a process that transforms input data into a fixed-size string of characters, which is unique to that data. In blockchain, it ensures data integrity and security.
How does hashing protect the data in a blockchain?
Hashing protects data by creating a unique hash for each block. If any data in the block changes, the hash changes, alerting users to tampering.
Can you explain how this affects transaction security?
Certainly! Each transaction is hashed and linked to the previous one, forming a chain. This makes it nearly impossible to alter a transaction without changing all subsequent hashes.
What happens if someone tries to hack the blockchain?
If someone attempts to hack the blockchain, they would need to change the hash of the compromised block and all subsequent blocks, which requires immense computational power, making it highly impractical.
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