Abstract: An interactive terminal, comprising: a camera; a document capture system; an input-output interface; a display; a loudspeaker; a network interface; and a processing entity. The processing entity is configured for: transmitting a document captured by the document capture system to a remote server via the network interface; guiding a user through a transaction sequence that includes steps during which the user provides requested input via the input-output interface and steps during which the interactive terminal provides the user with audiovisual playback via the display and the loudspeaker; taking in-progress images of the user with the camera during the transaction sequence, the in-progress images used for validation of continued physical proximity of the user to the interactive terminal during the transaction sequence; and, in response to the validation being successful, proceeding to digital signing of documents via the input-output interface to complete the transaction.