Merged mining refers to the process where miners can simultaneously mine two or more cryptocurrencies that share the same security features. This is typically seen with a parent blockchain and its child coins. In this setup, miners use their computational power to validate transactions and create blocks for both networks without needing extra resources. The parent chain, like Bitcoin, benefits from increased security through more miners participating, while child coins can gain additional support and visibility.This method helps smaller projects by leveraging the established network of a larger coin, ensuring faster transaction confirmations and heightened security against attacks. It promotes decentralization since more miners can join without expending additional energy.Overall, merged mining allows for efficient resource use, reinforcing both the parent and child networks while encouraging innovation and collaboration among different cryptocurrencies.