https://sherlock-files.ams3.digitaloceanspaces.com/twitter_images/5967a0bd-90fe-43ce-867e-44d48768a189.jpg

jo13

Security Researcher

Contact Me

High

8

Total

Medium

9

Total

$5.17K

Total Earnings

#868 All Time

18x

Payouts

regular

4x

Top 10

regular

8x

Top 25

regular

13x

Top 50

All

Sherlock

Code4rena

Immunefi

Dec '25

Monolith Stablecoin Factory

Monolith Stablecoin Factory

27.25 USDC • 1 total finding • Sherlock • jo13

#20

medium

Write-off Procedure Can Obliterate System Debt and Disable Redemptions

Nov '25

Brix Money

Brix Money

47.7 USDC • 1 total finding • Code4rena • jo13

#8

medium

Cross-chain unstake and fast redeem operations fail due to minAmountLD not accounting for LayerZero dust removal

Privacy Cash

Privacy Cash

8.18 USDC • Sherlock • jo13

#52

Findings not publicly available for private contests.

Audit Comp | Vechain | Stargate Hayabusa

Audit Comp | Vechain | Stargate Hayabusa

45 USDT • 2 total findings • Immunefi • jo13

#27

high

Finding not yet public.

high

Finding not yet public.

Oct '25

Audit Comp | Belong

Audit Comp | Belong

389 USDC • 3 total findings • Immunefi • jo13

#14

high

Finding not yet public.

medium

Finding not yet public.

medium

Finding not yet public.

Index Fun Order Book

Index Fun Order Book

70.67 USDC • 1 total finding • Sherlock • jo13

#10

medium

Emergency Resolution Resolves Wrong Epoch in Rolling Markets

Sep '25

Super DCA Liquidity Network

Super DCA Liquidity Network

5.61 OP • 2 total findings • Sherlock • jo13

#44

high

Native-ETH Fee Collection Reverts in `SuperDCAListing.collectFees()`

high

Reward-Index Reset Burns Pending Rewards in `SuperDCAStaking`

Jul '25

DeBank

DeBank

45.50 USDC • Sherlock • jo13

#48

May '25

LEND

LEND

4.06 USDC • 2 total findings • Sherlock • jo13

#101

high

First-time Borrowers Can Borrow Without Collateral Validation

high

Stale Exchange Rate in Supply/Redeem Allows Collateral Inflation

Apr '25

ZKP2P V2

ZKP2P V2

307.71 OP • Sherlock • jo13

#7

Findings not publicly available for private contests.

Mar '25

Symmio, Staking and Vesting

Symmio, Staking and Vesting

0.00 USDC • 1 total finding • Sherlock • jo13

#18

medium

# Reward Rate Manipulation in SymmStaking Contract

Jan '25

Aave v3.3

Aave v3.3

31.66 USDC • Sherlock • jo13

#97

Dec '24

Tally ARB Staker

Tally ARB Staker

20.90 USDC • Sherlock • jo13

#34

Nov '24

Debita Finance V3

Debita Finance V3

55.16 USDC • 1 total finding • Sherlock • jo13

#37

medium

Incentive Creator's Tokens Permanently Locked in Zero-Activity Epochs

Telcoin Update #2

Telcoin Update #2

202.25 USDC • Sherlock • jo13

#11

Sep '24

Flayer

Flayer

110.45 USDC • 1 total finding • Sherlock • jo13

#53

medium

manipulation of the Utilization Rates using the locker.sol function deposit and redeem to Force Liquidations

Jul '24

LoopFi

LoopFi

0 USDC • Code4rena • jo13

#58

May '24

PoolTogether: The Prize Layer for DeFi

PoolTogether: The Prize Layer for DeFi

3,796.61 USDC • 2 total findings • Sherlock • jo13

#6

high

PoolTogether on Blast L2: Rebasing WETH Allows Malicious Users to Inflate Contributions and Manipulate Prize Odds

medium

Gas Manipulation by Malicious Winners in claimPrizes Function