In the contract, `ETMToken`, the role, `_owner`, has authority over the functions shown in the diagram below.

Any compromise to the `_owner` account may allow the hacker to take advantage of this authority. 

![](https://accelerator-tasks-prod.s3.amazonaws.com/d5388e0729084bc8b0720095aec412c4/ETMToken-_owner.svg)


Centralization Risk in ETMToken.sol

There should always be events emitted in the sensitive functions that are controlled by centralization roles.

Missing emit events

`public` functions that are never called by the contract could be declared as `external`. `external` functions are more efficient than `public` functions.

Improper usage of `public` and `external` type

All of the ETM tokens are sent to the contract deployer when deploying the contract. This could be a centralization risk as the deployer can distribute [fixme] tokens without obtaining the consensus of the community.

Initial Token Distribution

Average 5000 gas per `transferFrom()` call when a max approval is used. 

Gas optimization in function `transferFrom()`

Etermon

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Code Audit History

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