For the complete documentation index, see llms.txt. Markdown versions of documentation pages are available by appending .md to page URLs; this page is available as Markdown.

Introduction

There is no perfect system, but some systems are better than others when pursuing a goal.

When designing a system, trade-offs have to be made between different values, like security vs. convenience, or security vs. system cost. We use the following design principles to guide our decision-making with the goal of building the most secure and usable key system on the planet.