In computing terms the difference between fingerprint and footprint
is that
fingerprint is unique identification for public key in asymmetric cryptosystem while
footprint is the audit trail left by a crashed program.
As nouns the difference between fingerprint and footprint
is that
fingerprint is the unique natural pattern of ridges on the tips of the fingers while
footprint is the impression of the foot in a soft substance such as sand or snow.
As a verb fingerprint
is to take somebody's fingerprints.