16/12/2018 - KeychainSwift - The Easiest way to use Keychain in Swift 4.2 and Xcode 10

https://www.youtube.com/playlist?list=PL_csAAO9PQ8bLfPF7JsnF-t4q63WKZ9O9
KeychainSwift is hands down the best library that you can use to manipulate Keychain easily in Swift 4.2 and Xcode 10.