What hardware is acceptable to use for users who opt for self-custody?

Related articles

• Why do I need a special / late-model hardware to use Internet Identity?
• If I lose my phone that I use to log in to my Internet Identity, will I still be able to use my Internet Identity?
• What is a physical security key? How does a physical security key work?
• There are so many physical security keys out there. Which one should I use?
• What is Quill?