The main purpose of the validator is to maintain the smooth operation of the node 24/7 Round-the-clock monitoring of the node All hardware components of the server allow it to work correctly on the network Back-up power is being used A stable network connection bandwidth — 1Gbit/s All unused network ports are closed Access to the server using a secure method (which prevents interception of control or brute-force of the password with rainbow dictionaries or other means of unwanted access by third parties) There are no installed or used applications on the server that are not related to the validation of Solana or its maintenance