If you're referring to Redump.org widely considered the gold standard for optical media preservation
Standardization: The community follows strict dumping methods, often requiring specific hardware like compatible Blu-ray or DVD drives and specialized software like DiscImageCreator. redump
This is the most contentious question. Redump does not host the files. However, they publish the "hash" needed to identify a file. If you're referring to Redump
Redump is a comprehensive effort to accurately re-rip and verify the data on optical media, such as CDs, DVDs, and Blu-rays. The project aims to create a reliable database of media information, providing a valuable resource for collectors, researchers, and the gaming community. such as CDs