Ensuring a downloaded file hasn't been corrupted or altered.
Systems generating password reset links or "magic login" emails often use long, random strings to ensure that only the recipient of the link can access the sensitive action.
Tracking a specific user's interaction with a web service. c896a92d919f46e2833e9eb159e526af
Identifying specific assets (images, articles, or videos) within a large digital library. 3. Tracking and Analytics
Marking a unique financial or data exchange in a ledger. Ensuring a downloaded file hasn't been corrupted or altered
Providing more context on where you found it would help me give you a more targeted response.
Although largely deprecated for security due to vulnerabilities, older systems still use MD5 to store obfuscated versions of user passwords. 2. Universally Unique Identifiers (UUIDs) Providing more context on where you found it
Serving as a unique "fingerprint" for a specific row of data.