Hash-based signatures are a type of digital signature that utilizes cryptographic hash functions to ensure the integrity and authenticity of messages or data. They are designed to be secure against potential threats posed by quantum computing, making them a vital component in maintaining privacy and security in quantum organizations. These signatures are based on the properties of hash functions, which take an input and produce a fixed-size string that is unique to that input, ensuring that even a slight change in the input results in a completely different output.
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