: If 1,000 people upload the exact same video, a server can see they all share the hash b355edf... and only store one copy, saving massive amounts of space.
Think of a hash as a "digital fingerprint." Just as no two humans have the exact same fingerprints, no two different files should have the same hash. The filename in our title is an example of a digest. b355edf98131f48b3fb071dafbd4eb631cf4c4bf.mp4
The next time you see a long string of hexadecimals as a filename, remember that it's not a mistake—it's a high-tech signature ensuring that what you're seeing is exactly what the creator intended. : If 1,000 people upload the exact same
You don't need to be a programmer to see these codes. You can find the hash of any file on your computer using built-in tools: The filename in our title is an example of a digest