Answer Posted / Pradeep Kumar Pandey

Hashing is a one-way cryptographic function that converts input data of any size into a fixed-size output called a hash or digest. Hashes are used in blockchain technology to verify the integrity and authenticity of data by comparing the original hash with the recalculated hash (checksum). Even minor changes in the input data result in drastically different hashes, making it impossible to reverse-engineer the original data from the hash.

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