electronic signature

Definition from Nolo’s Plain-English Law Dictionary

A paperless method of entering into an electronic contract. Under the Electronic Signatures Act, enacted in 2000, electronic contracts (with a few exceptions) are as enforceable as those executed on paper. The law does not specify an approved method of signing electronic agreements and various methods have been improvised including clicking an "I Accept" button, typing "Yes," typing in a name, or using a "key" to encrypt (scramble) information that uniquely identifies the signer.

Definition provided by Nolo’s Plain-English Law Dictionary.