Photochain | 239 followers on LinkedIn. Photochain is a new generation of photography marketplaces | Photochain is a new generation of photo stock platforms enabled by AI technology that, for the first time, enables any contributor to have full control over the price, copyright and licensing of their images. By empowering content creators to monetize images in a fair and instant way, Photochain aims to to tap into new markets and therefore offers a more diversified image collection.