This joint solution from KEYNECTIS and LetterGen allows users to digitally sign documents with legal validity using K.Sign®, K.Websign®, and Electronic Signer. It provides identity verification, document integrity, and authentication. Users can sign documents manually with an electronic pen or digitally with a K.Sign® USB key or K.Websign® online. Electronic signing speeds up business processes by eliminating the need for printing and exchanging physical documents.