= Digital signature
{wiki=Digital_signature}
A digital signature is a cryptographic mechanism that provides a means to verify the authenticity and integrity of digital messages or documents. It serves a function similar to a handwritten signature or a stamped seal but offers far more inherent security. \#\#\# Key Features of Digital Signatures 1. **Authentication**: Digital signatures help confirm the identity of the individual or entity that has signed the document, ensuring that the recipient knows who the sender is.
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