JoJo Token security record
As of 3 Nov 2026, JoJo Token has 1 audit report on Trustblock, by CertiK, dated 12 Jan 2024. That report lists no open critical findings. It also holds 1 deployed contract on 1 chain.
Record last updated . It holds audits, findings and contracts up to Nov 2026, and incidents up to Oct 2026. Trustblock does not review code.
Audits1
Newest first
| Audit | Security firm | Date | Scope | Critical findings | Report |
|---|---|---|---|---|---|
| JOJO-Audit | Security firm: CertiK | Date: | Scope: 1 address on BNB Chain | No open critical findings | Open · skynet.certik.com |
Findings9
Statuses are the security firm’s own, from each report.
| Severity | Open | Acknowledged | Fixed |
|---|---|---|---|
| Critical | 0 | 0 | 0 |
| High | 0 | 1 | 1 |
| Medium | 0 | 1 | 3 |
| Low | 0 | 3 | 0 |
HighCentralization Risks in JOJO.solJOJO-Audit · CertiK · 12 Jan 2024Fixed
In the contract `JOJO` the role `_owner` has authority over the functions shown in the diagram below. Any compromise to the `_owner` account may allow the hacker to take advantage of this authority and change market and token pair addresses, change market fee and various other configurations to steal tokens and make the contract malfunction. 
Open the reportMediumFee calculation may be incorrectJOJO-Audit · CertiK · 12 Jan 2024Fixed
When both token sender and receiver are in `swapPairList`, the calculated fee only includes sell-market fee. This might not align with the intended functionality.
Open the reportMediumNo Slippage CheckJOJO-Audit · CertiK · 12 Jan 2024Fixed
A sandwich attack may happen when an attacker observes a transaction swapping tokens or adding liquidity without setting restrictions on slippage or minimum output amount. The attacker can manipulate the exchange rate by frontrunning (executing before the target) a transaction to purchase one of the assets and make profits by backrunning (executing after the target) a transaction to sell the asset. ```solidity= function swapTokensForEthToMarket(uint256 tokenAmount) private { // generate the uniswap pair path of token -> weth address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); // make the swap uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, // accept any amount of ETH path, _market, block.timestamp ); } ```
Open the reportMediumTotal token amount is less than sell-to-market toJOJO-Audit · CertiK · 12 Jan 2024Fixed
The defined `numTokensSellToMarket` is bigger than `_tTotal`, which does not make sense. And the tokens accumulated in the contract will never be swapped to ETH.
Open the reportContracts1
| Address | Chain | Source code |
|---|---|---|
| 0x5f8bb709b4f3aa53860595e6df91be9833705b1b | Chain: BNB Chain | Source code: Verified source |
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