Keychain is a security feature in Apple's macOS and iOS that stores and manages passwords, certificates, and other sensitive information.It securely encrypts data using AES-256 encryption to protect it from unauthorized access.Users can access their Keychain through the Keychain Access app on macOS or the iCloud Keychain on iOS devices.Keychain syncs passwords and other data across Apple devices via iCloud, ensuring consistency and convenience.It also offers features like auto-filling passwords in Safari and generating strong passwords to enhance security.This a model of a keychain. Originally created with Blender 2.9 This model contains 5 separate objects. Vertices 367,679 Edges 734,072 Triangles 732,800Fbx Obj*** Blender 2.93.5***