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Bug Bounty rewards are grouped by severity and the impact of the vulnerability. Examples and descriptions of the type of vulnerabilities that correspond to each severity level can be found below. The payout amount has a 5 tier structure with separate scalesfor website/apps and smart contracts.

Description of vulnerability and your proof of concept or validation steps

Short description of the vulnerability and the affected asset.

Vulnerability Title

Centralization Related Risks

Missing Input Validation

Improper Usage of `public` and `external` Type

Time Units Can Be Used Directly

Redundant Default Value Assignment

Unnecessary Check

Redundant `if` Condition

Missing Emit Events

Typos

Misleading Error Messages

Potential Loss of Rewards and Deposits

`if` Statements Can Be Merged

Redundant Update of `user.rewardOf`. 

Lite Ⅳ

lite_staking_upgrade.sol

Unlocked Compiler Version

Incompatibility With Deflationary Tokens

`_beforeTokenTransfer()` And `_afterTokenTransfer()` Not Called In `_mint() and `_burn()`

Variables That Could Be Declared as Immutable

Missing Zero Address Validation

Initial token distribution

Centralization Related Risks In `IDO.sol`

Lack of reasonable boundary

Source Of the Selling tokens

`allowance` Not Checked And Updated in `transferFrom()`

Staked Tokens Not Be Transferred

Centralization Related Risks In the Function `withdrawToken()`

Centralization Related Risks In `TokenUSD.sol`

`upgrade_.prev` Address Is Reset To Zero Address

Missing Check of Blacklist on Recipient

Unreasonable Privilege Management

Unreasonable Fee limitation

Missing Error Messages

Potential Inconsistent Deposited Records

LITE

ERC20.sol

IDO.sol

TokenUSD.sol

Decentralized Ecosystem and Decentralized Stablecoins.

LiteUSD

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