Aworker is a multi-chain verified data protocol for applications creation where people control their information. We connect blockchain technology to the real world by providing decentralized reputation network for the business and people. Aworker is developed to: Create a unified standard of data storage and reputation of people Give people an opportunity to control the data in one place and receive a reward when selling the information. To extend the development of blockchain technology by solving such applied tasks as hiring employees, checking information about candidates, storing the most important information in the blockchain (certificates, diplomas, and other documents). For these reasons Aworker creates: We use data storage in public blockchains, depending on the applications’ requirements, in order to keep information in accordance with the laws of different countries. With the use of several blockchains we can store data locally in certain countries and guarantee information protection.