The aim of the Notary Platform is to provide indisputable proof of a document’s existence, content and identity of the involved parties, to enable users to be able to create contracts that, once agreed upon, will never be modified. This is done with the help of the blockchain technology, which natively allows the creation of a timestamp and storage of digital documents in a form that prevents tampering with them. The platform was built as a Dapp where smart contracts are used to emulate real-life legal contracts and to make them accessible. We were responsible for the design of the product as well as the website. Notary platform is a mobile application for Android and iOS that allows users to use templates to generate, share and sign contracts and save them irreversibly on the blockchain.