# Core Concepts #### Useless Brick Device * **Hardware Specification:** ESP32S3 microcontroller. * **Functionality:** Acts as a node within the Useless Brick network, contributing to the mining process by performing computations and submitting entropy values. * **Connectivity:** Each device connects to the decentralized network, enabling participation in mining rounds and token claiming. #### Miners * **Role:** Participants who operate Useless Brick devices. * **Responsibilities:** Connect devices to the network, submit entropy values, and engage in token claiming and burning processes to maintain network balance. * **Rewards:** Earn tokens based on successful mining rounds and maintain eligibility for token withdrawals by adhering to network requirements. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.uselessbrick.com/useless-brick-docs/getting-started/core-concepts.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.