System Design: A Blob Store

Blob store is a storage solution for unstructured data. We can store photos, audio, videos, binary executable codes, or other multimedia items in a blob store. Every type of data is stored as a blobA blob (binary large object) consists of a collection of binary data stored as a single unit.. It follows a flat data organization pattern where there are no hierarchies, that is, directories, sub-directories, and so on.

Mostly, it’s used by applications with a particular business requirement called write once, read many (WORM), which states that data can only be written once and that no one can change it. Just like in Microsoft ...