[{"Bold_text": "noun", "List Items": ["a string of characters derived from a piece of stored or transmitted digital data, used to determine whether that data has been corrupted or tampered with (often used attributively):The researchers crawled the website daily over four months but did not compare checksums of the returned pages, so we cannot rely on the integrity of that data.We have identified a problem with the previous checksum algorithm and provided a solution."]}]