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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

Unlocked compiler version

Financial Models

Centralization Related Risks

No Upper Limit For Fees

`quotes` never reduced

Third Party Dependencies

The number of elements in an array never decreases

CoinSwap III

ExchangeNFTs.sol

NFT.sol

ExchangeNFTConfiguration.sol

RoyaltiesRegistry.sol

Unlocked compiler version declaration

Missing input validation

Missing emit events

Potential flashloan attack

Unnecessary array as counter

Centralization risk

Logical issue of function `feeConsult()`

Incorrect fee calculation

Proper usage of `require` and `assert` functions

Logic issue in swap process

Divide by zero

Unreasonable boundary

Logical issue of function `registerInvite()`

Logical issue of function `registerNode()`

Logical issue of kickback

Logical issue of functions `swapKickback()/miningKickback()`

Redundant codes

Unreasonable upper boundaries

Dangerous time-based calculation

`add()` function not restricted

Recommended explicit pool validity checks

Logical issue of contract `SwapMining`

CoinSwap.io

IInviteManager.sol

ICoinSwapV1Callee.sol

contracts

ICoinSwapV1Pair.sol

CoinSwapV1Factory.sol

libraries

ICoinSwapV1ERC20.sol

IWETH.sol

IFeeManager.sol

TransferHelper.sol

interfaces

NodeAuction.sol

Pool.sol

SafeMath.sol

FeeManager.sol

Math.sol

Migrator.sol

CoinsToken.sol

IERC20.sol

CoinSwapV1Library.sol

FundAndTeamVester.sol

Oracle.sol

ICoinSwapV1Factory.sol

CoinSwapV1ERC20.sol

SwapMining.sol

IOracle.sol

ICoinSwapV1Router02.sol

IERC677.sol

CoinSwapV1Router02.sol

ICoinsToken.sol

ICoinSwapV1Router01.sol

IERC2612.sol

InviteManager.sol

UQ112x112.sol

CoinSwapV1Pair.sol

Leaderboards

Due Diligence Tools

Resources