Gerard Persoon

Gerard Persoon

Doing a security review is like solving a complicated puzzle

@gpersoon

100

Spearbit

lsr

Public earnings

$52,659.02

48th


Public findings

24


Achievements


Worked with

LiquidOps
NashPoint
Beets
Fastlane
Centrifuge
Parcel
Jonatas Martins
cccz
0xDjango
Christoph Michel
Alex Beregszaszi
StErMi

Biography

Biography

Gerard Persoon has four decades of experience in the most technical parts of IT, as well as managerial experience. He also has a degree in tradional IT audit and worked at a big four audit company.

He joined the first Code4rena competition and eventually ranked #3 at the leaderboard. He was the first Lead Security Researcher at Spearbit and has spend most of his time at Spearbit since then.

Gerard is also famous for the protocol drawings he makes.

Top competitions

View all
Contest
Position
Date
Payout
Blast

Blast

26

/ 599

January 2024$13,766
uniswap-v4

uniswap-v4

12

/ 500

September 2024$10,000
mev-commit

mev-commit

31

/ 279

October 2024$170

Private reviews

View all
Engagement
Project title
Timeframe
Researchers
Brink.trade

Brink.trade

brink-core brink-verifiers

Nov 2021 - Nov 2021

Gerard Persoon
Hari
maxgrok
Brink.trade

Brink.trade

brink-core

Nov 2021 - Dec 2021

Alex Beregszaszi
Gerard Persoon
Hari
SudoSwap

SudoSwap

lssvm

Jan 2022 - Jan 2022

Mudit Gupta
Gerard Persoon
maxgrok
Sense

Sense

sense-v1

Jan 2022 - Jan 2022

+1
Gerard Persoon
Denis Miličević
maxgrok
Tracer

Tracer

Tracer Perpetual Pools

Feb 2022 - Feb 2022

+1
RustyRabbit
Gerard Persoon
Christoph Michel

Security portfolio

Title
Description
YAcademy Guest Speaker for Block IV of YAcademy, a collective of web3 blockchain security researchers.
LUKSO universal profilesDrawing for LUKSO, a blockchain for the New Creative Economies
SudoswapDrawing for Sudoswap, a NFT marketplace designed for creators and collectors with support for any asset and on-chain royalties.