hash

Intermediate 💻 Tech / IT

Definition

A one-way mathematical function that turns any input into a fixed-length jumble of characters, like a paper shredder for data that can never be un-shredded. Used everywhere from password storage to blockchain, it's the cryptographic equivalent of making a smoothie—you can't get the strawberries back out once they're blended. Also, conveniently, the # symbol, causing endless confusion in technical discussions about whether you mean the symbol or the algorithm.

Example Usage

We hash all passwords before storing them, which means even we can't see your password 'Password123'—we just know you should be ashamed.

Source: Computer science and cryptography terminology

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