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marchev

Security Researcher

Web3 Security Enthusiast 🥷

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High

Total

Medium

Total

$21.48K

Total Earnings

#358 All Time

12x

Payouts

2x

1st Places

1x

3rd Places

5x

Top 10

All

Sherlock

Code4rena

Immunefi

Apr '25

Kinetiq

377.05 USDC • 4 total findings • Code4rena • marchev

#16

high

Users Who Queue Withdrawal Before A Slashing Event Disadvantage Users Who Queue After And Eventually Leads To Loss Of Funds For Them

high

Buffer Silently Locks Staked HYPE in Contract Without Using Them For Withdrawals Or Providing A Way To Be Pulled Out Or Moved To L1

medium

Incorrect Balance Check in Validator Redelegation Process May Block Legitimate Rebalancing Operations

medium

Missing withdrawal pause check in `confirmWithdrawal` allows bypassing withdrawal restrictions

Aug '24

Audit Comp | Lido: Mellow Vault

1,500 DAI • 1 total finding • Immunefi • marchev

low

Finding not yet public.

Jul '24

Audit Comp | IDEX

1,350 USDC • 1 total finding • Immunefi • marchev

low

Finding not yet public.

May '24

Olas

1,230.09 USDC • 1 total finding • Code4rena • marchev

medium

Less active nominees can be left without rewards after an year of inactivity

Apr '24

Audit Comp | Alchemix

2,316 USDC • 5 total findings • Immunefi • marchev

#14

high

Finding not yet public.

high

Finding not yet public.

medium

Finding not yet public.

medium

Finding not yet public.

low

Finding not yet public.

Zivoe

189.89 USDC • 4 total findings • Sherlock • marchev

#40

high

`ZivoeRewardsVesting` Miscalculation when revoking vesting schedule incorrectly grants users the entire vesting schedule voting power

high

`ZivoeRewardsVesting` Flawed total supply accounting may lead to failed or exploitable vesting schedule revocations

high

`ZivoeRewards` Anyone can prolong the reward distribution time

medium

`ZivoeRewards` Rewards are irretrievably lost if there are no stakers

Mar '24

Audit Comp | Immunefi Arbitration

13,730 USDC • 4 total findings • Immunefi • marchev

medium

Finding not yet public.

medium

Finding not yet public.

low

Finding not yet public.

low

Finding not yet public.

Feb '24

UniStaker Infrastructure

694.3 USDC • Code4rena • marchev

Nov '23

Kelp DAO | rsETH

2.76 USDC • Code4rena • marchev

#54

Oct '23

Ethena Labs

4.52 USDC • Code4rena • marchev

#40

ENS

85.67 USDC • Code4rena • marchev

#12

Sep '23

Allo V2

0.09 USDC • 1 total finding • Sherlock • marchev

#74

medium

Using fee-on-transfer ERC20 tokens leads to incorrect pool balance