Keytool is a Certificate which is used to sign the Application. This is used to identify the author of the application also establishing relationship between application. When the user want to publish the app in to Google Pay the User have to Sign the application with a Keytool.
In this Blog I am going to Explain How to Create a Keytool in MAC.
* Open Terminal
* Insert Comment
keytool -genkey -v -keystore keystore_Name.keystore -alias key_alias_Name -keyalg RSA -keysize 2048 -validity 10000
Then It will Ask for Password and some other details.