DSN (Decentralized Social Network) Eye Contact application does not collect any personal data on central server nor does it collect users personal data. Data is not stored anywhere, except users phone. In compliance with EU data storage regulations, specifically Regulation (EU) 2016/679, known as the General Data Protection Regulation (GDPR), no data is retained by app creators. Just by users on their devices. The only way the application collects data is locally on the device, and the user configures which data they want to share and compare with others, using Bluetooth Low Energy technology (BLE) to transmit data to other users. Users are notifies if a match is found that has compatibile parameters compatibile. Encription is used.