What are the types of hash functions used in blockchain?
In blockchain, the most common types of hash functions are SHA-256, SHA-3, and RIPEMD-160. SHA-256 is widely used in Bitcoin.
Can you explain how SHA-256 works?
SHA-256 takes an input and produces a fixed 256-bit hash. It uses a series of logical operations and bitwise manipulations.
What makes these hash functions secure?
They are secure due to their resistance to collisions, pre-image attacks, and their deterministic nature, ensuring consistent outputs.
Are there any other hash functions used in different blockchains?
Yes, for example, Ethereum uses Keccak-256, while other blockchains may use different algorithms based on their requirements.
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