Security AuditExcellence Report

constructor(...) ERC20("Tokenizd", "TKZ") ERC20Permit("Tokenizd") Ownable(msg.sender) {
    // ✅ Fixed supply - mint only once at deployment
    _mint(address(this), TOTAL_SUPPLY); // 1,000,000,000 TKZ
    
    // ✅ Immediate distribution according to allocations
    _transfer(address(this), _liquidityWallet, LIQUIDITY_ALLOCATION);
    _transfer(address(this), _fairLaunchWallet, FAIR_LAUNCH_ALLOCATION);
    
    // ✅ No mint function exists - supply is permanently fixed
}

function releaseVestedTokens() external nonReentrant {
    VestingInfo storage vesting = vestingSchedules[msg.sender];
    require(vesting.isActive, "TKZ: No active vesting");
    
    uint256 unreleased = getVestedAmount(msg.sender) - vesting.releasedAmount;
    require(unreleased > 0, "TKZ: No tokens to release");
    
    // ✅ ReentrancyGuard prevents malicious recursive calls
    vesting.releasedAmount += unreleased;
    _transfer(address(this), msg.sender, unreleased);
}

function renounceOwnershipSafely() external onlyOwner {
    // ✅ Ensure all vesting schedules are active before renouncing
    require(vestingSchedules[marketingWallet].isActive, 
            "TKZ: Marketing vesting not active");
    require(vestingSchedules[developmentWallet].isActive, 
            "TKZ: Development vesting not active");
    
    // ✅ Safe to renounce - no locked funds
    renounceOwnership();
}