Ziplo is a service that allows, among other things, to generate proof of prior existence. When the user uploads their file, Ziplo creates a digital fingerprint and performs a qualified timestamping (eIDAS regulation) in addition to registering it on the blockchain (iExec). Ziplo stores the file to prevent any alterations. Extensions have been developed to facilitate the deposit of computer code (via Github) and web pages to make online findings (via Google Chrome). Ziplo also allows secured file transfers like a French and sovereign WeTransfer.