gust.network is decentralized and open source. There is simply no way for us to charge you and change the code because other participants can choose not to comply. You can actually trust gust.network and plan your business strategy long-term. Decentralized ledger technology is actually a fascinating way of giving users (in our case: candidates) the control over their data and simultaneously breaking the data monopoly of the big internet data collectors - enabling every HR Tech company to access a free, unrestricted API. Here, here and here are interesting articles about the topic.