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KSUID is for K-Sortable Unique IDentifier. It is a kind of globally unique identifier similar to a RFC 4122 UUID, built from the ground-up to be "naturally" sorted by generation timestamp without any special type-aware logic.
In short, running a set of KSUIDs through the UNIX sort command will result in a list ordered by generation time.

Cloudflare Interoperable Reusable Cryptographic Library

Quadtrees are trees used to efficiently store data of points on a two-dimensional space

JavaScript based diagramming and charting tool that renders Markdown-inspired text definitions to create and modify diagrams dynamically.

Learn how to design large-scale systems

WebAuthn ruby server library ― Make your Ruby/Rails web server become a conformant WebAuthn Relying Party

A small WebAuthn API wrapper that translates to/from pure JSON using base64url.

Track personal Bluetooth devices via Apple's "Find My" network using OpenHaystack and Macless-Haystack with tools written in Go/TinyGo. No Apple hardware required!

A Go Compiler For Small Places

Headless UI for Virtualizing Large Element Lists

Passkeys generation on the client side

A cache stampede is a type of cascading failure that can occur when massively parallel computing systems with caching mechanisms come under a very high load.