Token is a 'verified identity proof', used for access to services and proof of identity across automation cloud.
Tokens are issued after verifying user identity or user personal data based on request. They are used as proof of possessing identity for services access across automation cloud. You no longer need to enter user name and password, instead just present token.
Tokens are Secure and Tied to Device
Generated Tokens are nonportable and holds verification information and are secured for a specific container (Browser) in the device. It can be used for service access instead of using user name and password or can be presented as identity proof in automated operations.