This document proposes a free and easy-to-use file certification system to help creative professionals prove ownership and timestamp of digital content. It estimates the potential UK market size at £300 million, with the target market of creative professionals making up £60 million. The business model would be freemium, offering basic free services and premium paid services with larger file sizes and online backup. Marketing strategies include affiliates, trade shows, schools, APIs, PR, events, and social media to engage creatives and achieve viral growth. Future plans could expand into new markets, locations, and integrated file storage services.