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The ZEBTRON Smart-Contract were found no vulnerabilities, no backdoors and no scam scripts. The code was tested with compatible compilers and simulate manually reviewed for all commonly known and specific vulnerabilities.

So ZEBTRON Smart-Contract is safe for use in the Tron main network.  


CRITICAL ISSUES (critical, high severity): 0

Critical and harmful access for owners, user block ability, Bugs and vulnerabilities that enable theft of funds, lock access to funds without possibility to restore it, or lead to any other loss of funds to be transferred to any party.  

ERRORS, BUGS AND WARNINGS (medium, low severity): 0

Bugs can negatively affect the usability of a program, errors that can trigger a contract failure, Lack of necessary security precautions, other warnings for owners and users, warning codes that are valid code but the compiler thinks are suspicious.  

OPTIMIZATION (low severity): 1

Methods to decrease the cost of transactions in Smart-Contract.  

RECOMMENDATIONS (very low severity): 0

Hint and tips to improve contract functionality and trustworthy.    




  1- Loop on the dynamic variable (low severity).

If the user gets more parallel deposits his withdraw transaction going to cost more transaction fee, because the loop on the dynamic variable is used in the ‘withdraw’ function. In case of exceeding the TRON limit of the size of transaction withdraw is not possible.

Note: This comment is relevant only if a user creates an excessive amount of parallel deposits (more than 100).    




The Zebtron smart-contract provides the opportunity to invest any amount in TRX (from 50 TRX) in the contract and get 120% to 399% return on investment within 15 to 35 days if the contract balance has enough funds for payment.  

  • Dividends are paid from deposits of users.
  • All dividends are calculated from the time of request and withdrawals can be performed at any point of time or after a deposit is placed the base on the plans.
  • Each subsequent Deposit is kept separately in the contract, in order to maintain the payment amount for each Deposit.


Contract Owners Fee

Project Fee on Deposit:   20%

Project Fee on Withdraw:   20%   SIX INVESTMENT PLANS



Plans Total Return Real Total Return Daily Profit Days Withdraw time
1 120% 96% 8% 15 Any Time
2 162.5% 130% 6.5% 25 Any Time
3 175% 140% 5% 35 Any Time
4 199.5% 159.6% 13.3% 15 End of Plan
5 300% 240% 12% 25 End of Plan
6 399% 319.2% 11.4% 35 End of Plan


  • The minimum deposit amount is 50 TRX
  • IMPORTANT: 80% of dividends withdraw to the user. so, the Real total return is 80% of the above “Total Return”.
  • The first plan does not return a profit


    Important: Plans return are float and daily profit for a new deposit will increase by 0.2% daily

function getPercent(uint8 plan) public view returns (uint256) {

    if (block.timestamp > startUNIX) {

        return plans[plan].percent.add(PERCENT_STEP.mul(block.timestamp.sub(startUNIX)).div(TIME_STEP));

     } else {

         return plans[plan].percent;




Referral System (Match Bonus)

This contract paid referrals in three-level totally 10%

  • Level one: 6%
  • Level two: 3%
  • Level three: 1%


  • Referral should be an active user; it means referral address has at least one deposit
  • If upline is the owner of the contract full 10% will be transferred to him.


  Booster System

The user can get a booster for 7days in a specific plan and double the ROI

  • The user should have at least 2 direct referrals less than 48 hours from his deposit start time
  • Direct referrals should deposit on the same plan
  • Booster activate separately for all deposits of upline with the same plan
  • Booster duration is 7 days
  • Booster activate a deposit with the amount of upline deposit amount




  • Constructor: initial plans, owner address and start date
  • invest: make a new deposit
  • withdraw: transfer user profit to his wallet
  • getContractBalance: return contract balance
  • getPlanInfo: return plan info
  • getPercent: return calculated percent
  • getResult: return deposit calculated percent, profit and finish date
  • getUserDividends: return user dividends
  • getUserCheckpoint: return user checkpoint
  • getUserReferrer: return user referrer
  • getUserDownlineCount: return referral amount in three level
  • getUserDownlineBonus: return last referral amount in three level
  • getUserReferralBonus: return referral bonus
  • getUserReferralTotalBonus: return total referrals
  • getUserTotalBonusBooster: return total booster amount
  • getUserBoosterWithdrawn: return withdrawn amount of booster
  • getUserReferralWithdrawn: return total paid referrals
  • getUserAvailable: return user available
  • getUserAmountOfDeposits: return deposits amount
  • getUserTotalDeposits: return total deposit
  • getUserWithdrawHistory: return withdrawn history
  • getUserLevelAdress: return referral info
  • getUserLevelAdressTotal: return number of referrals
  • getUserWithdrawSize: return number of withdraws
  • getUserDepositInfo: return a deposit info
  • isContract: check the address type