https://sherlock-files.ams3.digitaloceanspaces.com/twitter_images/71f070cd-d804-4cb9-8678-4a1bf671aca2.jpg

JohnnyTime

Security Researcher

Founder @ Ginger Security, JohnnyTime @ Youtube, Securing Web3 @ SmartContractsHacking.com

Contact Me

High

5

Total

Medium

2

Total

$415.00

Total Earnings

#1473 All Time

6x

Payouts

regular

1x

Top 10

regular

2x

Top 25

regular

3x

Top 50

All

Sherlock

Code4rena

Oct '23

NextGen

NextGen

262.69 USDC • 1 total finding • Code4rena • JohnnyTime

#40

high

Attacker can drain all ETH from AuctionDemo when block.timestamp == auctionEndTime

May '23

USSD - Autonomous Secure Dollar

USSD - Autonomous Secure Dollar

0.44 USDC • 4 total findings • Sherlock • JohnnyTime

#85

high

USDD token supply can be changed at any point by any EOA account

high

The USDD.sol contract incurs losses in both DAI and USDD whenever it executes a UniswapV3 swap

high

Minting USDD tokens in exchange for DAI is impossible due to a broken oracle implementation

high

The `rebalance` function can be exploited to drain ALL the Collateral Assets (in a form of DAI profit)

Dec '22

Tigris Trade contest

Tigris Trade contest

1.15 USDC • 1 total finding • Code4rena • JohnnyTime

#64

medium

Centralization risks: owner can freeze withdraws and use timelock to steal all funds

Oct '22

NFTPort

NFTPort

76.98 USDC • 1 total finding • Sherlock • JohnnyTime

#10

medium

_validateRuntimeConfig checks are being bypassed in the NFTCollection.sol contract initialization

Sep '22

VTVL contest

VTVL contest

18.87 USDC • Code4rena • JohnnyTime

#76

Art Gobblers contest

Art Gobblers contest

55.2 USDC • Code4rena • JohnnyTime

#21