When the user uses the Bytom Client for the first time ,it is necessary to generate a new account and key

or you can recover from your backup file

when you start the node,you can see accounts in account page

an account include ID,Alias,XPUBS,Address

• ID: automatic generated by system, global uniqueness
• Alias: made by user, convenient for remember
• XPUBS: public key
• Address: address for transaction