Project Harmony Canvas (HC) is only a visual gateway between a user's crypto wallet on client-side (browser) and smart contract deployed on blockchain "Harmony.one". Project HC itself is not collecting any kind of user's personal data.
This web application is not using any kind of cookies and does not contain any tracking mechanism.
This web application on client-side (browser) stores the history of uploaded images only in its local indexed DB.
Users are authorized only via the browser's plugin "Metamask", which is used to sign blockchain transactions.
Server is using cache for data + image stored on blockchain Harmony in order to provide only the best user experience.
Server has a standard access log without information about the client IP address.
Server is not using any kind of database for collecting users data.
Project Harmony Canvas acts only as a bridge between the user's wallet "Metamask" and the smart contract on blockchain "Harmony.one".