A brief history of the UUID

The blog post discusses the development of ksuid, a Golang library for unique ID generation, which draws inspiration from the UUID standard while adding time-based ordering and user-friendly representation formats. The narrative explores the historical evolution of unique identifiers, starting from telephone numbers in the 1870s to the development of UUIDs by Apollo Computer in the 1980s, which became widely adopted in distributed computing environments. The post highlights the limitations and security concerns of earlier UUID versions that relied on hardware identifiers, leading to the popularity of UUID Version 4, which uses random data to avoid such pitfalls. Inspired by these developments, ksuid was created to offer both simplicity and time-sortability, making it suitable for various applications, including those requiring temporal ordering without relying on hardware-based uniqueness. The post concludes with details about the open-source implementation of ksuid in Go, noting its advantages over traditional UUIDs in certain use cases.

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