Manuel

Manuel

Security Researcher | curious, yet I will not forget to pause and ponder

@xmxanuel

61

Spearbit

lsr

Public earnings

$6,710.48

227th


Public findings

8


Worked with

Sky
Usual
Berachain
Coinbase
Sturdy
Llama
m4rio
tnch
chris
HickupHH3
noah.eth
Cryptara

Biography

Biography

Manuel is a security researcher specializing in Ethereum and EVM at Spearbit, where he serves as a Lead Security Researcher (LSR). His journey with Ethereum began in 2016.

Over the past three years, he has reviewed more than 30 codebases, uncovered critical vulnerabilities across multiple DeFi protocols, and contributed to improving their overall design

At Spearbit, Manuel has reviewed codebases for Uniswap, Base, Optimism, MakerDAO, Aztec, Usual, Monad, OP-succinct, Llama, and many more.

Previously, he was a Lead Solidity Engineer at Centrifuge, where he designed and developed smart contracts securing over $250 million in TVL and enabled the first real-world assets (RWAs) on MakerDAO.

Manuel worked over the years with multiple security companies as a client (Trail of Bits, DappHub, Least Authority, Code4Arena). Over time, his growing interest in security led him to fully transition into the field.

The entire security reviews portfolio on his personal Github: Security Review Portfolio

Top competitions

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Contest
Position
Date
Payout
safe-extensions

safe-extensions

3

/ 228

May 2024$6,710

Private reviews

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Engagement
Project title
Timeframe
Researchers
Llama

Llama

llama

May 2023 - May 2023

+2
Manuel
m4rio
noah.eth
Sturdy

Sturdy

sturdy-aggregator-new

Sep 2023 - Sep 2023

HickupHH3
Manuel
Sturdy

Sturdy

sturdy-aggregator

Sep 2023 - Sep 2023

HickupHH3
Manuel
Coinbase

Coinbase

dispute non-mips

Jun 2024 - Jun 2024

+1
ladboy233
Manuel
Cryptara
Berachain

Berachain

Berachain Governance

Oct 2024 - Oct 2024

Manuel
tnch