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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

Usage of `block.timestamp`

Variables That Could Be Declared as Immutable

Unlocked Compiler Version

Improper Usage of `public` and `external` Type

TransferFrom Alters State After Transfer

Pure Functions Read From State 

Potential Sandwich Attack

Missing Emit Events

Centralization Risk in ScratchToken.sol

Missing Zero Address Validation

Potential Reentrancy Attack

Truth Statement 

Scratch Token

ScratchToken.sol

contracts

FoundersTimelock.sol

Greeter.sol

CertiK Skynet

Top 10% Watchlisted

Scratch Engine

Scratch Engine FoundersTimelock

Leaderboards

Due Diligence Tools

Resources