GKLocalPlayer represents authenticated player. Has persistent teamPlayerID & gamePlayerID
GKPlayer provides info about other players. Uses scoped IDs
Scoped IDs teamplayerID and gamePlayerID
properties on GKPlayer
increase player privacy
replace the playerID (has been deprecated) with scoped IDs (save game data / backend)
perform conversion after next authentication
teamPlayerID scoped to development team
gamePlayerID scoped to game
loadPlayersForIdentifiers:withCompletionHandler:
Game Center Player Identifiers
Game Center now supports persistent player identifiers scoped to individual games or to a developer team ID. Understand how scoped identifiers enhance player privacy and see how to transition your apps and games onto the recommended API.
Missing anything? Corrections? Contributions are welcome!
Written By
Blackjacx