Digital fingerprint may refer to:
Message digest, the output of a one-way function when applied to a stream of data Public key fingerprint, short sequence of bytes used to identify a longer public key Fingerprint (computing) Acoustic fingerprint, a condensed digital summary generated from an audio signal Device fingerprint, a compact summary of software and hardware settings collected from a remote device, for example a computer or a web browser Digital video fingerprinting, a technique to summarize characteristic components of a video recording TCP/IP stack fingerprinting, the remote detection of the characteristics of a TCP/IP stack Content ID, a Google technology used on YouTube to identify content protected by copyright