Life Crypto security record

In the contract `LIFECRYPTO` the role `_owner` has authority over the functions shown in the diagram below.  AND the role `CREATE_CUSERNAME_ROLE` has authority over the following function(s): - function `createCustomUsername()`, to create a username for a wallet. AND the role `CREATE_PUSERNAME_ROLE` has authority over the following function(s): - function `createPaidUsername()`, to create a username and record its payment information. AND the role `USERNAME_TRANSFER_FREEZE_ROLE` has authority over the following function(s): - function `freezeUserName()` and `unFreezeUserName()`, to freeze or unfreeze the username. AND the role `BIND_USER_PAYMENT_ROLE` has authority over the following function(s): - function `bindUserPayment()`, to binding one payment information and one username. AND the role `REMOVE_PAYMENT_ROLE` has authority over the following function(s): - function `removeUserPayment()`, to remove the binding of username and transaction info. AND the role `DEFAULT_ADMIN_ROLE` has authority over the following function(s): - function `createCustomUsername()`, to create a username for a wallet. - function `createPaidUsername()`, to create a username and record its payment information. - function `freezeUserName()` and `unFreezeUserName()`, to freeze or unfreeze the username. - function `transferUserName()`, to transfer a username. - function `bindUserPayment()`, to binding one payment information and one username. - function `removeUserPayment()`, to remove the binding of username and transaction info. - function `updateUserInfo()`, to change the full name of the user. - function `grantRole()` and `revokeRole()`, to grant roles to or revoke roles from any accounts. Any compromise to the privileged accounts may allow the hacker to take advantage of this authority and bring unpredictable damages to the project.