哈希值

Hello everyone! In today's 100-day challenge of the crypto world, let's talk about hash values, a crucial concept in blockchain technology. Hash values play a key role in data security, transaction verification, block generation, etc., providing indispensable assurance for the operation of blockchain. So, what is a hash value? How does it work? And why is it so important? Let's uncover the secrets of hash values together!

Metaphor of hash value: Digital fingerprint 🛡️
A hash value is like a 'fingerprint' in the digital world, uniquely identifying a piece of data. Just as everyone's fingerprint is unique, a hash value can precisely correspond to a specific set of data, regardless of the size of the data, a fixed-length hash value will be generated after hashing.