Non fungible tokens (NFTs) are used to define the ownership of digital assets. More recently, there has been a surge of platforms to auction digital art as well as other digital assets in form of image, video, and audio content of all sorts. Although NFTs have the potential of revolutionizing the foundations of ownership, they also face various challenges notably in terms of trust and security. This paper starts by identifying the challenges in current NFTs and proposes a solution in order to remedy to their current shortcomings.