https://support.apple.com/en-us/102651 is a nice overview. The "key storage" col...

hot_gril 88 days ago | parent | context | favorite | on: Apple unveils 'Passwords' manager app at WWDC 2024

https://support.apple.com/en-us/102651 is a nice overview. The "key storage" column is the part to pay attention to. The keys to user keychains are stored on devices only.