A digital signature is the electronic equivalent of adding a notarized signature to a document. It is an electronic, encryption-based, secure stamp of authentication on a message. It confirms that the ...

This type of stamp is often an electronic signature in the form of an image of your signature, initials, logo or a security number, or a recording, linked to a digital signature.

A medallion signature guarantee is a special certification stamp that guarantees a signature that authorizes an authentic transfer of securities.

• Digital Signature: According to Microsoft, "A digital signature is an electronic, encrypted, stamp of authentication on digital information such as email messages, ...